Thortveitite
Sc₂Si₂O₇
Silicates
Hardness —
· Monoclinic
Photo: Wikimedia Commons
Manganvesuvianite
Ca₁₉Mn³⁺(Al,Mn³⁺,Fe³⁺)₁₀(Mg,Mn²⁺)₂(Si₂O₇)₄(SiO₄)₁₀O(OH)₉
Sorosilicate mineral
Properties
- Chemical formula
- Ca₁₉Mn³⁺(Al,Mn³⁺,Fe³⁺)₁₀(Mg,Mn²⁺)₂(Si₂O₇)₄(SiO₄)₁₀O(OH)₉
- Group
- Silicates
- Crystal system
- Tetragonal
- Hardness (Mohs)
- —
- Color
- Brown
- Luster
- —
- Streak
- White
- Density
- —
- Cleavage
- —
- Fracture
- —
- Tenacity
- —
- Crystal habit
- —
- Transparency
- —
- Space group
- P4/n
- Fluorescence
- —
- Magnetism
- —
- Radioactivity
- —
- Refractive index
- —
- Optical character
- —
- Birefringence
- —
- Pleochroism
- —
- Strunz classification
- 9.BG.35
- Dana classification
- —
- IMA status
- Approved mineral and/or valid name (A)
- IMA symbol
- Mnves
- Locality
- 🇿🇦 Wessels mine
- Type locality
- —
- Discovery year
- —
Etymology
Named after manganese
Source: Wikidata
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