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
- 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.
- Web site: Davidite-(La) Mineral Data.
- http://rruff.geo.arizona.edu/doclib/hom/daviditela.pdf Davidite-La in Handbook of Mineralogy
- http://www.mindat.org/min-1234.html Davidite-La on Mindat
- http://webmineral.com/data/Davidite-(La).shtml Davidite-(La) on Webmineral
- http://webmineral.com/data/Davidite-(Ce).shtml Davidite-(Ce) on Webmineral
- 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.