Davidite Explained

Davidite-(La)
Category:Oxide minerals
Imasymbol:Dvd-La[1]
Strunz:4.CC.40
System:Trigonal
Class:Rhombohedral
H-M symbol:
Symmetry:R
Unit Cell:a = 10.376, c = 20.91 [Å]; Z = 3
Color:Black
Fracture:Subconchoidal to uneven
Tenacity:Brittle
Mohs:6 [2]
Luster:Vitreous
Diaphaneity:Opaque, translucent in very thin fragments
Gravity:4.33 to 4.48
Alteration:Metamict
Other: Radioactive
References:[3] [4] [5] [6]

Davidite is a rare earth oxide mineral with chemical end members Lanthanum (La) and Cerium (Ce). It exists in two forms:

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. Web site: Davidite-(La) Mineral Data.
  3. http://rruff.geo.arizona.edu/doclib/hom/daviditela.pdf Davidite-La in Handbook of Mineralogy
  4. http://www.mindat.org/min-1234.html Davidite-La on Mindat
  5. http://webmineral.com/data/Davidite-(La).shtml Davidite-(La) on Webmineral
  6. http://webmineral.com/data/Davidite-(Ce).shtml Davidite-(Ce) on Webmineral
  7. Branagan, D.F. (2005): T.W. Edgeworth David: A Life: Geologist, Adventurer and "Knight in the Old Brown Hat", National Library of Australia, Canberra, p. 471.