Urusovite
| Urusovite | ||
|---|---|---|
| General | ||
| Category | Mohs scale hardness 4 | |
| Luster | Vitreous (glassy) | |
| Streak | White | |
| Diaphaneity | Translucent | |
| Optical properties | Biaxial (−) | |
| Refractive index | nα = 1.672 nβ = 1.718 nγ = 1.722 | |
| Birefringence | δ = 0.050 | |
| Dispersion | r > v strong | |
| References | [2][3] | |
Urusovite is a rare
monoclinic
-prismatic light green mineral.
Its
Kamchatka Oblast', Far-Eastern Region, Russia.[2][3] It was named after Vadim Sergeevich Urusov, crystal chemist of Moscow State University.[4] It was approved by the International Mineralogical Association in 1998.[2]
References
- S2CID 235729616.
- ^ a b c Urusovite Data on Webmineral
- ^ a b Urusovite on Mindat
- ^ Mineralogicalassociation - Urusovite Data
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