List of minerals recognized by the International Mineralogical Association (W–X) explained

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W

1. Wad
2. Wadalite (mayenite: IMA1987-045) 9.AD.25 http://www.mindat.org/min-4226.html http://www.webmineral.com/data/Wadalite.shtml [no]
   (IUPAC: hexacalcium pentaluminium hexadecaoxodisilicate trichloride)
3. Wadeite (Y: 1939) 9.CA.10 http://www.mindat.org/min-4227.html http://www.webmineral.com/data/Wadeite.shtml http://www.handbookofmineralogy.com/pdfs/wadeite.pdf
   (IUPAC: dipotassium zirconium (nonaoxotrisilicate))
4. Wadsleyite (IMA1982-012) 9.BE.02 http://www.mindat.org/min-4228.html http://www.webmineral.com/data/Wadsleyite.shtml http://www.handbookofmineralogy.com/pdfs/wadsleyite.pdf
   (IUPAC: dimagnesium tetraoxosilicate)
5. Wagnerite (wagnerite: IMA2003 s.p., 1821 Rd) 8.BB.15 http://www.mindat.org/min-4229.html http://www.webmineral.com/data/Wagnerite.shtml http://www.handbookofmineralogy.com/pdfs/wagnerite.pdf
   (IUPAC: dimagnesium fluoro phosphate)
6. Waimirite-(Y) (perovskite: IMA2013-108) 3.0 http://www.mindat.org/min-46049.html [no] [no]
   (IUPAC: yttrium trifluoride)
7. Waipouaite (IMA2019-095) 9.0 https://www.mindat.org/min-54272.html [no] [no]
8. Wairakite (zeolitic tectosilicate: IMA1997 s.p., 1955) 9.GB.05 http://www.mindat.org/min-4230.html http://www.webmineral.com/data/Wairakite.shtml http://www.handbookofmineralogy.com/pdfs/wairakite.pdf
   (IUPAC: calcium (dialuminotetrasilicate) dodecaoxy dihydrate)
9. Wairauite (alloy: IMA1964-015) 1.AE.15 http://www.mindat.org/min-4231.html http://www.webmineral.com/data/Wairauite.shtml http://www.handbookofmineralogy.com/pdfs/wairauite.pdf
   (IUPAC: cobalt iron alloy)
10. Wakabayashilite (IMA1969-024) 2.FA.40 http://www.mindat.org/min-4232.html http://www.webmineral.com/data/Wakabayashilite.shtml http://www.handbookofmineralogy.com/pdfs/wakabayashilite.pdf
    
11. Wakefieldite (zircon) 8.AD.35
    (IUPAC: REE vanadate)
    1. Wakefieldite-(Ce) (IMA1969-001) 8.AD.35 http://www.mindat.org/min-4233.html http://www.webmineral.com/data/Wakefieldite-%28Ce%29.shtml http://www.handbookofmineralogy.com/pdfs/wakefieldite-(Ce).pdf
    2. Wakefieldite-(La) (IMA1989-035a) 8.AD.35 http://www.mindat.org/min-35901.html http://www.webmineral.com/data/Wakefieldite-%28La%29.shtml http://www.handbookofmineralogy.com/pdfs/wakefieldite-(La).pdf
    3. Wakefieldite-(Nd) (IMA2008-031) 8.AD.35 http://www.mindat.org/min-38894.html http://webmineral.com/data/Wakefieldite-(Nd).shtml [no]
    4. Wakefieldite-(Y) (IMA1969-012) 8.AD.35 http://www.mindat.org/min-4234.html http://www.webmineral.com/data/Wakefieldite-%28Y%29.shtml http://www.handbookofmineralogy.com/pdfs/wakefieldite-(Y).pdf
12. Walentaite (IMA1983-047) 8.CH.05 http://www.mindat.org/min-4235.html http://www.webmineral.com/data/Walentaite.shtml http://www.handbookofmineralogy.com/pdfs/walentaite.pdf
    (IUPAC: dihydrogen dicalcium hexairon(III) pentarsenate triphosphate tetradecahydrate)
13. Walfordite (tellurite: IMA1996-003) 4.JK.05 http://www.mindat.org/min-7360.html http://www.webmineral.com/data/Walfordite.shtml http://www.handbookofmineralogy.com/pdfs/walfordite.pdf
14. Walkerite (IMA2001-051) 6.GB.20 http://www.mindat.org/min-29154.html http://www.webmineral.com/data/Walkerite.shtml [no]
15. Wallisite (hatchite: IMA1971 s.p., 1965) 2.GC.05 http://www.mindat.org/min-4236.html http://www.webmineral.com/data/Wallisite.shtml http://www.handbookofmineralogy.com/pdfs/wallisite.pdf
    (CuPbTlAs₂S₅)
16. Wallkilldellite 8.DL.20
    1. Wallkilldellite (IMA1982-084) 8.DL.20 http://www.mindat.org/min-4237.html http://www.webmineral.com/data/Wallkilldellite.shtml http://www.handbookofmineralogy.com/pdfs/wallkilldellite.pdf
       (IUPAC: dicalcium trimanganese(II) tetrahydro diarsenate nonahydrate)
    2. Wallkilldellite-(Fe) (IMA1997-032) 8.DL.20 http://www.mindat.org/min-7361.html http://www.webmineral.com/data/Wallkilldellite-%28Fe%29.shtml [no]
       (IUPAC: dicalcium triiron(II) tetrahydro diarsenate nonahydrate)
17. Walpurgite (Y: 1871) 8.EA.05 http://www.mindat.org/min-4238.html http://www.webmineral.com/data/Walpurgite.shtml http://www.handbookofmineralogy.com/pdfs/walpurgite.pdf
    (IUPAC: tetra(oxo bismutate) uranyl diarsenate dihydrate)
18. Walstromite (IMA1964-009) 9.CA.25 http://www.mindat.org/min-4239.html http://www.webmineral.com/data/Walstromite.shtml http://www.handbookofmineralogy.com/pdfs/walstromite.pdf
    (IUPAC: barium dicalcium nonaoxytrisilicate)
19. Walthierite (alunite, alunite: IMA1991-008) 7.BC.10 http://www.mindat.org/min-4240.html http://www.webmineral.com/data/Walthierite.shtml http://www.handbookofmineralogy.com/pdfs/walthierite.pdf
    (IUPAC: barium hexaaluminium dodecahydro tetrasulfate)
20. Wampenite (IMA2015-061) 10.B?. http://www.mindat.org/min-46829.html [no] [no]
21. Wangdaodeite (IMA2016-007) 4.0 http://www.mindat.org/min-47800.html [no] [no]
    (IUPAC: iron titanium trioxide)
22. Wardite (wardite: 1896) 8.DL.10 http://www.mindat.org/min-4242.html http://www.webmineral.com/data/Wardite.shtml http://www.handbookofmineralogy.com/pdfs/wardite.pdf
    (IUPAC: sodium trialuminium tetrahydro diphosphate dihydrate)
23. Wardsmithite (IMA1967-030) 6.H0.25 http://www.mindat.org/min-4243.html http://www.webmineral.com/data/Wardsmithite.shtml http://www.handbookofmineralogy.com/pdfs/wardsmithite.pdf
    (IUPAC: pentacalcium magnesium hexa(heptaoxotetraborate) triacontahydrate)
24. Warikahnite (IMA1978-038) 8.CA.35 http://www.mindat.org/min-4244.html http://www.webmineral.com/data/Warikahnite.shtml http://www.handbookofmineralogy.com/pdfs/warikahnite.pdf
    (IUPAC: trizinc diarsenate dihydrate)
25. Warkite (sapphirine: IMA2013-129) 4.0 http://www.mindat.org/min-46079.html [no] [no]
    (IUPAC: dicalcium hexascandium hexaluminium icosaoxide)
26. Warwickite (warwickite: 1838) 6.AB.20 http://www.mindat.org/min-4245.html http://www.webmineral.com/data/Warwickite.shtml http://www.handbookofmineralogy.com/pdfs/warwickite.pdf
27. Wassonite (IMA2010-074) 2.CB. http://www.mindat.org/min-40551.html https://www.theregister.co.uk/2011/04/06/wassonite/ http://www.nasa.gov/centers/johnson/pdf/533412main_wassonite_images_for_press_release.pdf
    (IUPAC: titanium(II) sulfide)
28. Watanabeite (IMA1991-025) 2.GC.15 http://www.mindat.org/min-4246.html http://www.webmineral.com/data/Watanabeite.shtml http://www.handbookofmineralogy.com/pdfs/watanabeite.pdf
    )
29. Watatsumiite (neptunite: IMA2001-043) 9.EH.05 http://www.mindat.org/min-11461.html http://www.webmineral.com/data/Watatsumiite.shtml [no]
30. Waterhouseite (IMA2004-035) 8.BE.85 http://www.mindat.org/min-27485.html http://www.webmineral.com/data/Waterhouseite.shtml http://www.handbookofmineralogy.com/pdfs/waterhouseite.pdf
    (IUPAC: heptamanganese octahydro diphosphate)
31. Watkinsonite (watkinsonite: IMA1985-024) 2.HB.20e http://www.mindat.org/min-4247.html http://www.webmineral.com/data/Watkinsonite.shtml http://www.handbookofmineralogy.com/pdfs/watkinsonite.pdf
    (PbCu₂Bi₄(Se,S)₈)
32. Wattersite (IMA1987-030) 7.FB.15 http://www.mindat.org/min-4248.html http://www.webmineral.com/data/Wattersite.shtml http://www.handbookofmineralogy.com/pdfs/wattersite.pdf
    (IUPAC: di(dimercury) mercury(II) dioxochromate)
33. Wattevilleite^Q (Y: 1879) 7.CC.85 http://www.mindat.org/min-4249.html http://www.webmineral.com/data/Wattevillite.shtml http://www.handbookofmineralogy.com/pdfs/wattevilleite.pdf
    Note: possibly hexahydrite.
34. Wavellite (IMA1971 s.p., 1805) 8.DC.50 http://www.mindat.org/min-4250.html http://www.webmineral.com/data/Wavellite.shtml http://www.handbookofmineralogy.com/pdfs/wavellite.pdf
    (IUPAC: trialuminium trihydro diphosphate pentahydrate)
35. Wawayandaite (IMA1988-043) 9.HA.20 http://www.mindat.org/min-4251.html http://www.webmineral.com/data/Wawayandaite.shtml http://www.handbookofmineralogy.com/pdfs/wawayandaite.pdf
36. Waylandite (alunite, crandallite: IMA1962-003) 8.BL.13 http://www.mindat.org/min-4252.html http://www.webmineral.com/data/Waylandite.shtml http://www.handbookofmineralogy.com/pdfs/waylandite.pdf
    (IUPAC: bismuth trialuminium hexahydro diphosphate)
37. Wayneburnhamite (IMA2015-124) 9.B?. http://www.mindat.org/min-47781.html [no] [no]
    (IUPAC: nonalead hexacalcium tri(heptaoxodisilicate) tri(tetraoxosilicate))
38. Weberite (Y: 1938) 3.CB.25 http://www.mindat.org/min-4253.html http://www.webmineral.com/data/Weberite.shtml http://www.handbookofmineralogy.com/pdfs/weberite.pdf
    (IUPAC: disodium magnesium heptafluoroaluminate)
39. Weddellite (oxalate: 1936) 10.AB.40 http://www.mindat.org/min-4254.html http://www.webmineral.com/data/Weddellite.shtml http://www.handbookofmineralogy.com/pdfs/weddellite.pdf
    (IUPAC: calcium oxalate dihydrate)
40. Weeksite (IMA1962 s.p., 1960) 9.AK.30 http://www.mindat.org/min-4255.html http://www.webmineral.com/data/Weeksite.shtml http://www.handbookofmineralogy.com/pdfs/weeksite.pdf
    (IUPAC: dipotassium diuranyl tridecaoxopentasilicate tetrahydrate)
41. Wegscheiderite (IMA1967 s.p., 1961) 5.AA.30 http://www.mindat.org/min-4256.html http://www.webmineral.com/data/Wegscheiderite.shtml http://www.handbookofmineralogy.com/pdfs/wegscheiderite.pdf
    (IUPAC: pentasodium trihydrogen tetracarbonate)
42. Weibullite (kobellite: IMA1980 s.p., 1910 Rd) 2.JB.25h http://www.mindat.org/min-4257.html http://www.webmineral.com/data/Weibullite.shtml http://www.handbookofmineralogy.com/pdfs/weibullite.pdf
    (Ag_0.33Pb_5.33Bi_8.33(S,Se)₁₈)
43. Weilerite (alunite, beudandite: IMA1987 s.p., 1962 Rd) 8.0 https://www.mindat.org/min-4258.html http://webmineral.com/data/Weilerite.shtml [no]
    (IUPAC: barium trialuminium hexahydro sulfate arsenate)
    Note: it is definitely not a synonym of arsenogorceixite as its sulfate content is now known.
44. Weilite (IMA1963-006) 8.AD.10 http://www.mindat.org/min-4259.html http://www.webmineral.com/data/Weilite.shtml http://www.handbookofmineralogy.com/pdfs/weilite.pdf
    (IUPAC: (calcium hydroxoarsenate(V))
45. Weinebeneite (beryllophosphate zeolite: IMA1990-049) 8.DA.20 http://www.mindat.org/min-4260.html http://www.webmineral.com/data/Weinebeneite.shtml http://www.handbookofmineralogy.com/pdfs/weinebeneite.pdf
    (IUPAC: calcium triberyllium dihydro diphosphate tetrahydrate)
46. Weishanite (amalgam: IMA1982-076) 1.AD.20a http://www.mindat.org/min-4261.html http://www.webmineral.com/data/Weishanite.shtml http://www.handbookofmineralogy.com/pdfs/weishanite.pdf
    
47. Weissbergite (IMA1975-040) 2.HD.05 http://www.mindat.org/min-4262.html http://www.webmineral.com/data/Weissbergite.shtml http://www.handbookofmineralogy.com/pdfs/weissbergite.pdf
    (IUPAC: thallium disulfa antimonide)
48. Weissite (Y: 1927) 2.BA.30 http://www.mindat.org/min-4263.html http://www.webmineral.com/data/Weissite.shtml http://www.handbookofmineralogy.com/pdfs/weissite.pdf
    
49. Welinite (IMA1966-002 Rd) 9.AF.75 http://www.mindat.org/min-4264.html http://www.webmineral.com/data/Welinite-III.shtml http://www.webmineral.com/data/Welinite-VIII.shtml http://www.handbookofmineralogy.com/pdfs/welinite.pdf
50. Weloganite (IMA1967-042) 5.CC.05 http://www.mindat.org/min-4266.html http://www.webmineral.com/data/Weloganite.shtml http://www.handbookofmineralogy.com/pdfs/weloganite.pdf
    (IUPAC: disodium tristrontium zirconium hexacarbonate trihydrate)
51. Welshite (sapphirine: IMA1973-019) 9.DH.40 http://www.mindat.org/min-4267.html http://www.webmineral.com/data/Welshite.shtml http://www.handbookofmineralogy.com/pdfs/welshite.pdf
52. Wendwilsonite (IMA1985-047) 8.CG.10 http://www.mindat.org/min-4268.html http://www.webmineral.com/data/Wendwilsonite.shtml http://www.handbookofmineralogy.com/pdfs/wendwilsonite.pdf
    (IUPAC: dicalcium magnesium diarsenate dihydrate)
53. Wenjiite (phosphide: IMA2019-107c) 1.BO. https://www.mindat.org/min-55445.html [no] [no]
54. Wenkite (tectosilicate zeolite: IMA1967 s.p., 1962) 9.GD.25 http://www.mindat.org/min-4269.html http://www.webmineral.com/data/Wenkite.shtml http://www.handbookofmineralogy.com/pdfs/wenkite.pdf
55. Werdingite (IMA1988-023) 9.BD.35 http://www.mindat.org/min-4270.html http://www.webmineral.com/data/Werdingite.shtml http://www.handbookofmineralogy.com/pdfs/werdingite.pdf
    (IUPAC: dimagnesium tetralumino tetraboro heptatriacontaoxotetrasilicate)
56. Wermlandite (hydrotalcite: IMA1970-007) 7.DD.35 http://www.mindat.org/min-4271.html http://www.webmineral.com/data/Wermlandite.shtml http://www.handbookofmineralogy.com/pdfs/wermlandite.pdf
57. Wernerbaurite (decavanadate: IMA2012-064) 4.0 http://www.mindat.org/min-43585.html [no] http://www.handbookofmineralogy.com/pdfs/wernerbaurite.pdf
58. Wernerkrauseite (post-spinel: IMA2014-008) 4.0 http://www.mindat.org/min-46107.html [no] [no]
59. Wesselsite (gillespite: IMA1994-055) 9.EA.05 http://www.mindat.org/min-7364.html http://www.webmineral.com/data/Wesselsite.shtml [no]
    (IUPAC: strontium copper decaoxotetrasilicate)
60. Westerveldite (modderite: IMA1971-017) 2.CC.15 http://www.mindat.org/min-4273.html http://www.webmineral.com/data/Westerveldite.shtml http://www.handbookofmineralogy.com/pdfs/westerveldite.pdf
    (IUPAC: iron arsenide)
61. Wetherillite (IMA2014-044) 7.0 http://www.mindat.org/min-46421.html [no] [no]
    (IUPAC: disodium magnesium diuranyl tetrasulfate octadecahydrate)
62. Wheatleyite (oxalate: IMA1984-040) 10.AB.30 http://www.mindat.org/min-4274.html http://www.webmineral.com/data/Wheatleyite.shtml http://www.handbookofmineralogy.com/pdfs/wheatleyite.pdf
    (IUPAC: disodium copper oxalate dihydrate)
63. Whelanite (IMA1977-006) 9.0 http://www.mindat.org/min-11215.html [no] [no]
64. Wherryite (Y: 1950) 7.BC.55 http://www.mindat.org/min-4275.html http://www.webmineral.com/data/Wherryite.shtml [no]
    (IUPAC: heptalead dicopper tetrasulfate di(tetraoxosilicate) dihydroxyl)
65. Whewellite (oxalate: IMA1967 s.p., 1852) 10.AB.45 http://www.mindat.org/min-4276.html http://www.webmineral.com/data/Whewellite.shtml http://www.handbookofmineralogy.com/pdfs/whewellite.pdf
    (IUPAC: calcium oxalate monohydrate)
66. Whitecapsite (IMA2012-030) 7.0 http://www.mindat.org/min-43221.html [no] http://www.handbookofmineralogy.com/pdfs/whitecapsite.pdf
67. Whiteite (jahnsite, whiteite) 8.DH.15
    (IUPAC: (tri M(II)) dialuminium dihydro diphosphate octahydrate)
    1. Whiteite-(CaFeMg) (IMA1975-001) 8.DH.15 http://www.mindat.org/min-4277.html http://www.webmineral.com/data/Whiteite-%28CaFeMg%29.shtml http://www.handbookofmineralogy.com/pdfs/whiteite-(CaFeMg).pdf
    2. Whiteite-(CaMgMg) (IMA2016-001) 8.DH.15 http://www.mindat.org/min-47786.html [no] [no]
    3. Whiteite-(CaMnMg) (IMA1986-012) 8.DH.15 http://www.mindat.org/min-4278.html http://www.webmineral.com/data/Whiteite-%28CaMnMg%29.shtml http://www.handbookofmineralogy.com/pdfs/whiteite-(CaMnMg).pdf
    4. Whiteite-(CaMnMn) (IMA2011-002) 8.DH.15 http://www.mindat.org/min-40435.html [no] http://www.handbookofmineralogy.com/pdfs/whiteite-(CaMnMn).pdf
    5. Whiteite-(MnFeMg) (IMA78-A) 8.DH.15 http://www.mindat.org/min-4279.html http://www.webmineral.com/data/Whiteite-%28MnFeMg%29.shtml http://www.handbookofmineralogy.com/pdfs/whiteite-(MnFeMg).pdf
    6. Whiteite-(MnMnMg) (IMA2015-092) 8.DH.15 http://www.mindat.org/min-43540.html [no] [no]
    7. Whiteite-(MnMnMn) (IMA2021-049) 8.DH.15 [no] [no] [no]
68. Whiterockite (IMA2020-044) 8.0 https://www.mindat.org/min-55225.html [no] [no]
69. Whitlockite (whitlockite: 1941) 8.AC.45 http://www.mindat.org/min-4280.html http://www.webmineral.com/data/Whitlockite.shtml http://www.handbookofmineralogy.com/pdfs/whitlockite.pdf
    (IUPAC: nonacalcium magnesium hydroxophosphate(V) hexaphosphate)
70. Whitmoreite (arthurite: IMA1974-009) 8.DC.15 http://www.mindat.org/min-4281.html http://www.webmineral.com/data/Whitmoreite.shtml http://www.handbookofmineralogy.com/pdfs/whitmoreite.pdf
    (IUPAC: iron(II) diiron(III) dihydro diphosphate tetrahydrate)
71. Wickenburgite (IMA1968-006) 9.EG.55 http://www.mindat.org/min-4282.html http://www.webmineral.com/data/Wickenburgite.shtml http://www.handbookofmineralogy.com/pdfs/wickenburgite.pdf
    (IUPAC: trilead calcium dialumino heptaicosaoxodecasilicate tetrahydrate)
72. Wickmanite (schoenfliesite: IMA1965-024) 4.FC.10 http://www.mindat.org/min-4283.html http://www.webmineral.com/data/Wickmanite.shtml http://www.handbookofmineralogy.com/pdfs/wickmanite.pdf
    (IUPAC: manganese(II) tin(IV) hexahydroxide)
73. Wicksite (wicksite: IMA1979-019) 8.CF.05 http://www.mindat.org/min-4284.html http://www.webmineral.com/data/Wicksite.shtml http://www.handbookofmineralogy.com/pdfs/wicksite.pdf
74. Widenmannite (IMA1974-008) 5.ED.40 http://www.mindat.org/min-4285.html http://www.webmineral.com/data/Widenmannite.shtml http://www.handbookofmineralogy.com/pdfs/widenmannite.pdf
    (IUPAC: dilead dihydro [uranyl dicarbonate])
75. Widgiemoolthalite (IMA1992-006) 5.DA.05 http://www.mindat.org/min-4286.html http://www.webmineral.com/data/Widgiemoolthalite.shtml http://www.handbookofmineralogy.com/pdfs/widgiemoolthalite.pdf
    (IUPAC: pentanickel tetracarbonate dihydro (tetra-penta)hydrate)
76. Wightmanite (IMA1967 s.p., 1962) 6.AB.55 http://www.mindat.org/min-4287.html http://www.webmineral.com/data/Wightmanite.shtml http://www.handbookofmineralogy.com/pdfs/wightmanite.pdf
    (IUPAC: pentamagnesium pentahydro oxo(trioxoborate) dihydrate)
77. Wiklundite (IMA2015-057) 4.0 http://www.mindat.org/min-46820.html [no] [no]
78. Wilancookite (beryllophosphate zeolite: IMA2015-034) 8.0 http://www.mindat.org/min-46739.html [no] [no]
79. Wilcoxite (aubertite: IMA1979-070) 7.DE.45 http://www.mindat.org/min-4288.html http://www.webmineral.com/data/Wilcoxite.shtml http://www.handbookofmineralogy.com/pdfs/wilcoxite.pdf
    (IUPAC: magnesium aluminium disulfate fluoride heptadecahydrate)
80. Wildenauerite (IMA2017-058) 8.0 https://www.mindat.org/min-52168.html [no] [no]
81. Wilhelmgümbelite (schoonerite, calcioferrite: IMA2015-072) 8.0 http://www.mindat.org/min-46972.html [no] [no]
82. Wilhelmkleinite (IMA1997-034) 8.BB.40 http://www.mindat.org/min-7365.html http://www.webmineral.com/data/Wilhelmkleinite.shtml http://www.handbookofmineralogy.com/pdfs/wilhelmkleinite.pdf
    (IUPAC: zinc diiron(III) dihydro diarsenate)
83. Wilhelmramsayite (lazulite: IMA2004-033) 2.FD.40 http://www.mindat.org/min-27204.html http://www.webmineral.com/data/Wilhelmramsayite.shtml [no]
    (IUPAC: tricopper iron trisulfide dihydrate)
84. Wilhelmvierlingite (overite: IMA1982-025) 8.DH.20 http://www.mindat.org/min-4289.html http://www.webmineral.com/data/Wilhelmvierlingite.shtml http://www.handbookofmineralogy.com/pdfs/wilhelmvierlingite.pdf
    (IUPAC: calcium manganese(II) iron(III) hydro diphosphate dihydrate)
85. Wilkinsonite (sapphirine: IMA1988-053) 9.DH.40 http://www.mindat.org/min-4290.html http://www.webmineral.com/data/Wilkinsonite.shtml http://www.handbookofmineralogy.com/pdfs/wilkinsonite.pdf
    (IUPAC: tetrasodium [octairon(II) tetrairon(III)] tetraoxo[hexatriacontaoxoicosasilicate]
86. Wilkmanite (IMA1967 s.p., 1964) 2.D0.15 http://www.mindat.org/min-4291.html http://www.webmineral.com/data/Wilkmanite.shtml http://www.handbookofmineralogy.com/pdfs/wilkmanite.pdf
    (IUPAC: trinickel tetraselenide)
87. Willemite (phenakite: 1830) 9.AA.05 http://www.mindat.org/min-4292.html http://www.webmineral.com/data/Willemite.shtml http://www.handbookofmineralogy.com/pdfs/willemite.pdf
    (IUPAC: dizinc tetraoxosilicate)
88. Willemseite (talc: IMA1971 s.p., 1969) 9.EC.05 http://www.mindat.org/min-4293.html http://www.webmineral.com/data/Willemseite.shtml http://www.handbookofmineralogy.com/pdfs/willemseite.pdf
    (IUPAC: trinickel dihydroxyl decaoxytetrasilicate)
89. Willhendersonite (zeolitic tectosilicate: IMA1981-030) 9.GD.10 http://www.mindat.org/min-4294.html http://www.webmineral.com/data/Willhendersonite.shtml http://www.handbookofmineralogy.com/pdfs/willhendersonite.pdf
    (IUPAC: potassium calcium (trialuminotrisilicate) dodecaoxy pentahydrate)
90. Willyamite (cobaltite: IMA1970 s.p., IMA1969-001a Rd) 2.EB.25 http://www.mindat.org/min-4295.html http://www.webmineral.com/data/Willyamite.shtml http://www.handbookofmineralogy.com/pdfs/willyamite.pdf
    (IUPAC: cobalt sulfantimonide)
91. Wiluite (vesuvianite: IMA1997-026) 9.BG.35 http://www.mindat.org/min-7367.html http://www.webmineral.com/data/Wiluite.shtml [no]
92. Winchite [Na-Ca-amphibole: IMA2012 s.p., 1906 Rd] 9.DE.20 http://www.mindat.org/min-4296.html http://www.webmineral.com/data/Winchite.shtml http://www.handbookofmineralogy.com/pdfs/winchite.pdf
93. Windhoekite (palygorskite: IMA2010-083) 9.EE.20 http://www.mindat.org/min-41574.html [no] [no]
94. Windmountainite (palygorskite: IMA2018-130a) 9.EE. https://www.mindat.org/min-53877.html [no] [no]
95. Winstanleyite (tellurite: IMA1979-001) 4.JK.05 http://www.mindat.org/min-4297.html http://www.webmineral.com/data/Winstanleyite.shtml http://www.handbookofmineralogy.com/pdfs/winstanleyite.pdf
    (IUPAC: titanium tritellurium(IV) octaoxide)
96. Wiserite (Y: 1845) 6.BA.20 http://www.mindat.org/min-4298.html http://www.webmineral.com/data/Wiserite.shtml http://www.handbookofmineralogy.com/pdfs/wiserite.pdf
97. Witherite (aragonite: 1784) 5.AB.15 http://www.mindat.org/min-4299.html http://www.webmineral.com/data/Witherite.shtml http://www.handbookofmineralogy.com/pdfs/witherite.pdf
    (IUPAC: barium carbonate)
98. Wittichenite (Y: 1853) 2.GA.20 http://www.mindat.org/min-4300.html http://www.webmineral.com/data/Wittichenite.shtml http://www.handbookofmineralogy.com/pdfs/wittichenite.pdf
    (IUPAC: tricopper bismuth trisulfide)
99. Wittite^Q (Y: 1924) 2.JB.20 http://www.mindat.org/min-4301.html http://www.webmineral.com/data/Wittite.shtml http://www.handbookofmineralogy.com/pdfs/wittite.pdf
    Note: possibly Se-rich cannizzarite.
100. Witzkeite (IMA2011-084) 7.0 http://www.mindat.org/min-42408.html [no] [no]
     (IUPAC: tetrasodium tetrapotassium calcium dinitrate tetrasulfate dihydrate)
101. Wodegongjieite (IMA2020-036b)
102. Wodginite (wodginite: IMA1967 s.p., 1963) 4.DB.40 http://www.mindat.org/min-4302.html http://www.webmineral.com/data/Wodginite.shtml http://www.handbookofmineralogy.com/pdfs/wodginite.pdf
     (IUPAC: manganese(II) tin(IV) ditantalum octaoxide)
103. Wöhlerite (wöhlerite: 1843) 9.BE.17 http://www.mindat.org/min-4303.html http://www.webmineral.com/data/W%F6hlerite.shtml http://www.handbookofmineralogy.com/pdfs/wohlerite.pdf
104. Wolfeite (wagnerite: 1949) 8.BB.15 http://www.mindat.org/min-4304.html http://www.webmineral.com/data/Wolfeite.shtml http://www.handbookofmineralogy.com/pdfs/wolfeite.pdf
     (IUPAC: diiron(II) hydro phosphate)
105. Wollastonite (wollastonite: IMA1962 s.p., 1818) 9.DG.05 http://www.mindat.org/min-4323.html http://www.webmineral.com/data/Wollastonite.shtml http://www.handbookofmineralogy.com/pdfs/wollastonite.pdf
     (IUPAC: calcium trioxysilicate)
106. Wölsendorfite (wölsendorfite: 1957) 4.GB.30 http://www.mindat.org/min-4308.html http://www.webmineral.com/data/Wölsendorfite.shtml http://www.handbookofmineralogy.com/pdfs/wolsendorfite.pdf
     (IUPAC: heptalead tetradecauranyl tetrahydro nonadecaoxide dodecahydrate)
107. Wonesite (mica: IMA1979-007a) 9.EC.20 http://www.mindat.org/min-4309.html http://www.webmineral.com/data/Wonesite.shtml http://www.handbookofmineralogy.com/pdfs/wonesite.pdf
108. Woodallite (hydrotalcite: IMA2000-042) 4.FL.05 http://www.mindat.org/min-10319.html http://www.webmineral.com/data/Woodallite.shtml http://www.handbookofmineralogy.com/pdfs/woodallite.pdf
     (IUPAC: hexamagnesium dichromium hexadecahydroxide dichloride tetrahydrate)
109. Woodhouseite (alunite, beudandite: IMA1987 s.p., 1937 Rd) 8.BL.05 http://www.mindat.org/min-4311.html http://www.webmineral.com/data/Woodhouseite.shtml http://www.handbookofmineralogy.com/pdfs/woodhouseite.pdf
     (IUPAC: calcium trialuminium hexahydro sulfate phosphate)
110. Woodruffite (Y: 1953) 4.FL.25 http://www.mindat.org/min-4312.html http://www.webmineral.com/data/Woodruffite.shtml http://www.handbookofmineralogy.com/pdfs/woodruffite.pdf
     (IUPAC: dizinc penta(manganese(IV),manganese(III)) decaoxide tetrahydrate)
111. Woodwardite (hydrotalcite: 1866) 7.DD.35 http://www.mindat.org/min-4314.html http://www.webmineral.com/data/Woodwardite.shtml http://www.handbookofmineralogy.com/pdfs/woodwardite.pdf
112. Wooldridgeite (IMA1997-037) 8.FC.25 http://www.mindat.org/min-7371.html http://www.webmineral.com/data/Wooldridgeite.shtml http://www.handbookofmineralogy.com/pdfs/wooldridgeite.pdf
     (IUPAC: disodium calcium dicopper(II) dipyrophosphate decahydrate)
113. Wopmayite (whitlockite: IMA2011-093) 8.AC. http://www.mindat.org/min-42881.html [no] http://www.handbookofmineralogy.com/pdfs/wopmayite.pdf
114. Wrightite (IMA2015-120) 8.0 http://www.mindat.org/min-47777.html [no] [no]
     (IUPAC: dipotassium dialuminium oxodiarsenate)
115. Wroewolfeite (IMA1973-064) 7.DD.10 http://www.mindat.org/min-4315.html http://www.webmineral.com/data/Wroewolfeite.shtml http://www.handbookofmineralogy.com/pdfs/wroewolfeite.pdf
     (IUPAC: tetracopper hexahydro sulfate dihydrate)
116. Wulfenite (scheelite: 1845) 7.GA.05 http://www.mindat.org/min-4322.html http://www.webmineral.com/data/Wulfenite.shtml http://www.handbookofmineralogy.com/pdfs/wulfenite.pdf
     (IUPAC: lead molybdenum tetraoxide)
117. Wulffite (IMA2013-035) 7.0 http://www.mindat.org/min-43897.html http://www.mindat.org/min-43897.html [no]
     (IUPAC: tripotassium sodium tetracopper dioxo tetrasulfate)
118. Wülfingite (cristobalite: IMA1983-070) 4.FA.10 http://www.mindat.org/min-4317.html http://www.webmineral.com/data/Wulfingite.shtml http://www.handbookofmineralogy.com/pdfs/wulfingite.pdf
     (IUPAC: zinc dihydroxide)
119. Wupatkiite (halotrichite: IMA1994-019) 7.CB.85 http://www.mindat.org/min-7372.html http://www.webmineral.com/data/Wupatkiite.shtml http://www.handbookofmineralogy.com/pdfs/wupatkiite.pdf
     (IUPAC: cobalt dialuminium tetrasulfate docosahydrate)
120. Wurtzite (wurtzite: 1861) 2.CB.45 http://www.mindat.org/min-4318.html http://www.webmineral.com/data/Wurtzite.shtml http://www.handbookofmineralogy.com/pdfs/wurtzite.pdf
     (IUPAC: zinc sulfide)
121. Wüstite (Y: 1927) 4.AB.25 http://www.mindat.org/min-4316.html http://webmineral.com/data/Wustite.shtml http://www.handbookofmineralogy.com/pdfs/wustite.pdf
     (IUPAC: iron(II) oxide)
122. Wumuite (IMA2017-067a) 4.0 https://www.mindat.org/min-52992.html [no] [no]
123. Wuyanzhiite (IMA2017-081) 2.0 https://www.mindat.org/min-52595.html [no] [no]
124. Wyartite (IMA1962 s.p., 1959) 5.EA.15 http://www.mindat.org/min-4319.html http://www.webmineral.com/data/Wyartite.shtml http://www.handbookofmineralogy.com/pdfs/wyartite.pdf
     (IUPAC: calcium uranium(V) diuranyl tetraoxyhydro carbonate heptahydrate)
125. Wycheproofite (IMA1993-024) 8.DJ.30 http://www.mindat.org/min-4320.html http://www.webmineral.com/data/Wycheproofite.shtml http://www.handbookofmineralogy.com/pdfs/wycheproofite.pdf
     (IUPAC: sodium aluminium zirconium dihydro diphosphate monohydrate)
126. Wyllieite (alluaudite, wyllieite: IMA1972-015) 8.AC.15 http://www.mindat.org/min-4321.html http://www.webmineral.com/data/Wyllieite.shtml http://www.handbookofmineralogy.com/pdfs/wyllieite.pdf
     

X

1. Xanthiosite (olivine: IMA1965 s.p., 1858 Rd) 8.AB.25 http://www.mindat.org/min-4327.html http://www.webmineral.com/data/Xanthiosite.shtml http://www.handbookofmineralogy.com/pdfs/xanthiosite.pdf
   (IUPAC: trinickel diarsenate)
2. Xanthoconite (Y: 1840) 2.GA.10 http://www.mindat.org/min-4330.html http://www.webmineral.com/data/Xanthoconite.shtml http://www.handbookofmineralogy.com/pdfs/xanthoconite.pdf
   (IUPAC: trisilver trisulfa arsenide)
3. Xanthoxenite (IMA1975-004a, 1920 Rd) 8.DH.40 http://www.mindat.org/min-4347.html http://www.webmineral.com/data/Xanthoxenite.shtml http://www.handbookofmineralogy.com/pdfs/xanthoxenite.pdf
   (IUPAC: tetracalcium diiron(III) dihydro tetraphosphate trihydrate)
4. Xenophyllite (IMA2006-006) 8.AC.50 http://www.mindat.org/min-29097.html http://www.webmineral.com/data/Xenophyllite.shtml [no]
   (IUPAC: tetrasodium heptairon hexaphosphate)
5. Xenotime (zircon) 8.AD.35
   (IUPAC: REE phosphate)
   1. Xenotime-(Y) (IMA1987 s.p., 1832) 8.AD.35 http://www.mindat.org/min-4333.html http://webmineral.com/data/Xenotime-(Y).shtml http://www.handbookofmineralogy.com/pdfs/xenotime-(Y).pdf
   2. Xenotime-(Yb) (IMA1998-049) 8.AD.35 http://www.mindat.org/min-7374.html http://www.webmineral.com/data/Xenotime-%28Yb%29.shtml [no]
6. Xiangjiangite (IMA1982 s.p., 1978) 8.EB.05 http://www.mindat.org/min-4334.html http://www.webmineral.com/data/Xiangjiangite.shtml http://www.handbookofmineralogy.com/pdfs/xiangjiangite.pdf
   (IUPAC: iron(III) tetrauranyl hydro diphosphate disulfate docosahydrate)
7. Xieite (post-spinel: IMA2007-056) 4.BB.25 http://www.mindat.org/min-35792.html http://www.webmineral.com/data/Xieite.shtml [no]
   (IUPAC: iron(II) dichromium tetraoxide)
8. Xifengite (silicide: IMA1983-086) 1.BB.40 http://www.mindat.org/min-4335.html http://www.webmineral.com/data/Xifengite.shtml http://www.handbookofmineralogy.com/pdfs/xifengite.pdf
   (IUPAC: pentairon trisilicide)
9. Xilingolite (lillianite: IMA1982-024) 2.JB.40a http://www.mindat.org/min-4336.html http://www.webmineral.com/data/Xilingolite.shtml http://www.handbookofmineralogy.com/pdfs/xilingolite.pdf
   (Pb₃Bi₂S₆)
10. Ximengite (rhabdophane: IMA1985-004) 8.AD.45 http://www.mindat.org/min-4337.html http://www.webmineral.com/data/Ximengite.shtml http://www.handbookofmineralogy.com/pdfs/ximengite.pdf
    (IUPAC: bismuth phosphate)
11. Xingzhongite^Q (spinel, linnaeite: 1976) 2.DA.05 http://www.mindat.org/min-4339.html http://www.webmineral.com/data/Xingzhongite.shtml http://www.handbookofmineralogy.com/pdfs/xingzhongite.pdf
    Note: possibly cuproiridsite.
12. Xitieshanite (IMA1982-044) 7.DC.20 http://www.mindat.org/min-4341.html http://www.webmineral.com/data/Xitieshanite.shtml http://www.handbookofmineralogy.com/pdfs/xitieshanite.pdf
    (IUPAC: iron(III) chloro sulfate hexahydrate)
13. Xocolatlite (tellurium oxysalt: IMA2007-020) 7.DF.85 http://www.mindat.org/min-38843.html http://www.webmineral.com/data/Xocolatlite.shtml [no]
    (IUPAC: dicalcium dimanganese(IV) dodecaoxoditellurate(VI) monohydrate)
14. Xocomecatlite (IMA1974-048) 7.BB.50 http://www.mindat.org/min-4342.html http://www.webmineral.com/data/Xocomecatlite.shtml http://www.handbookofmineralogy.com/pdfs/xocomecatlite.pdf
    (IUPAC: tricopper tetrahydro tetraoxotellurate(VI))
15. Xonotlite (y: 1866) 9.DG.35 http://www.mindat.org/min-4343.html http://www.webmineral.com/data/Xonotlite.shtml http://www.handbookofmineralogy.com/pdfs/xonotlite.pdf
    (IUPAC: hexacalcium heptadecaoxohexasilicate dihydroxyl)
16. Xuwenyuanite (IMA2021-080) https://www.mindat.org/min-55697.html [no] [no]

External links

• IMA Database of Mineral Properties/ RRUFF Project
• Mindat.org - The Mineral Database
• Webmineral.com
• Mineralatlas.eu minerals W and X