Masuyite Explained

Masuyite
Category:Oxide minerals
Formula:Pb[(UO<sub>2</sub>)<sub>3</sub>O<sub>3</sub>(OH)<sub>2</sub>]·3H2O
Imasymbol:Msy[1]
Strunz:4.GB.35
System:Monoclinic
Class:Domatic (m)
(same H-M symbol)
Symmetry:Pn
Unit Cell:a = 13.98 Å, b = 12.11 Å,
c = 14.2 Å; Z = 2
Opticalprop:Biaxial (-)
Refractive:nα = 1.785 nβ = 1.895 nγ = 1.915
Birefringence:δ = 0.130
2V:Measured: 50°, calculated: 44°
Dispersion:extreme
Other: Radioactive
References:Masuyite on Mineralienatlas[2]

Masuyite is a uranium/lead oxide mineral with formula Pb[(UO<sub>2</sub>)<sub>3</sub>O<sub>3</sub>(OH)<sub>2</sub>]·3H2O.[3]

Masuyite was first described in 1947 for an occurrence in Katanga and named to honor Belgian geologist Gustave Masuy (1905–1945).[4]

See also

Notes and References

  1. Warr. L.N.. 2021. IMA–CNMNC approved mineral symbols. Mineralogical Magazine. 85. 3 . 291–320. 10.1180/mgm.2021.43 . 2021MinM...85..291W . 235729616 . free.
  2. https://www.mineralienatlas.de/lexikon/index.php/MineralData?mineral=Masuyite Mineralienatlas
  3. http://www.webmineral.com/data/Masuyite.shtml Webmineral
  4. http://rruff.geo.arizona.edu/doclib/hom/masuyite.pdf Handbook of Mineralogy