Cavansite
Cavansite is a mineral with the chemical formula Ca(VO)Si4O10·4H2O. It has a Mohs hardness of 3.5 - 4 and vitreous to pearly luster.
Cavansite properties
| Type | Mineral |
|---|---|
| Chemical formula | Ca(VO)Si4O10·4H2O |
| Mohs hardness | 3.5 - 4 |
| Luster | Vitreous to pearly |
| Typical colors | Intense blue to greenish-blue |
| Formation | Typically forms from basaltic volcanic rocks in cavities and as a secondary mineral |
| Rarity | 7 / 10 |
Mohs hardness 3.5–4 — soft
1 · Talc5 · Apatite10 · Diamond
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