Anandite
| Anandite | ||
|---|---|---|
| General | ||
| Category | Specific gravity 3.94 | |
| Optical properties | Biaxial (+) | |
| Refractive index | nα = 1.855 nγ = 1.880 | |
| Pleochroism | Y = green; Z = brown | |
| References | [2][3][4] | |
Anandite is a rare
monoclinic crystal system. It is black in color with a glassy luster and a near perfect cleavage.[3]
It was first described in 1967Ananda Kentish Coomaraswamy (1877–1947), who was the director of the Mineral Survey of Ceylon, Sri Lanka at that time.[4]
Anandite is a member of the mica group of minerals.[3] Other minerals that anandite is associated with include: magnetite, chalcopyrite, pyrite, pyrrhotite and baryte.[3]
References
- S2CID 235729616.
- ^ a b c "Anandite mineral information and data". Mindat.org.
- ^ a b c d e "PDF data sheet for Anandite in the Handbook of Mineralogy" (PDF). Handbook of Mineralogy. Mineral Data Publishing. 2001. Retrieved 2008-05-04.
- ^ a b c "Anandite mineral data sheet". Webmineral.com. Archived from the original on 6 May 2008. Retrieved 2008-05-04.
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