Thortveitite
Sc₂Si₂O₇
Silicates
Hardness —
· Monoclinic
Photo: Dave Dyet - http://www.dyet.com · Copyrighted free use
Zoisite
Ca₂Al₃(Si₂O₇)(SiO₄)O(OH)
Sorosilicate mineral
Properties
- Chemical formula
- Ca₂Al₃(Si₂O₇)(SiO₄)O(OH)
- Group
- Silicates
- Crystal system
- Orthorhombic
- Hardness (Mohs)
- 6,5
- Color
- White
- Luster
- —
- Streak
- —
- Density
- —
- Cleavage
- —
- Fracture
- —
- Tenacity
- —
- Crystal habit
- —
- Transparency
- —
- Space group
- Pnma
- Fluorescence
- —
- Magnetism
- —
- Radioactivity
- —
- Refractive index
- —
- Optical character
- —
- Birefringence
- —
- Pleochroism
- —
- Strunz classification
- 9.BG.10
- Dana classification
- 58.2.1b.1
- IMA status
- Grandfathered mineral (G)
- IMA symbol
- Zo
- Locality
- 🇳🇴 Sauland
- Type locality
- —
- Discovery year
- —
Etymology
Named after Sigmund Zois
Source: Wikidata
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