Thortveitite
Sc₂Si₂O₇
Silicates
Hardness —
· Monoclinic
Photo: Modris Baum · CC0
Varennesite
Na₈Mn₂Si₁₀O₂₅(OH,Cl)₂·12H₂O
Phyllosilicate mineral
Properties
- Chemical formula
- Na₈Mn₂Si₁₀O₂₅(OH,Cl)₂·12H₂O
- Group
- Silicates
- Crystal system
- Orthorhombic
- Hardness (Mohs)
- —
- Color
- —
- Luster
- —
- Streak
- —
- Density
- —
- Cleavage
- —
- Fracture
- —
- Tenacity
- —
- Crystal habit
- —
- Transparency
- —
- Space group
- —
- Fluorescence
- —
- Magnetism
- —
- Radioactivity
- —
- Refractive index
- —
- Optical character
- —
- Birefringence
- —
- Pleochroism
- —
- Strunz classification
- 9.EE.50
- Dana classification
- 72.5.5.1
- IMA status
- Approved mineral and/or valid name (A)
- IMA symbol
- Vrn
- Locality
- 🇨🇦 Demix-Varennes quarry, Saint-Amable sill
- Type locality
- —
- Discovery year
- —
Etymology
Named after Varennes
Source: Wikidata
For sale on the marketplace
View all →
No offers for Varennesite at the moment. Browse the marketplace →
