Thortveitite
Sc₂Si₂O₇
Silicates
Hardness —
· Monoclinic
Photo: David Hospital · CC BY-SA 4.0
Cervandonite-(Ce)
(Ce,Nd,La)(Fe³⁺,Fe²⁺,Ti,Al)₃O₂(Si₂O₇)(As³⁺O₃)(OH)
Sorosilicate mineral
Properties
- Chemical formula
- (Ce,Nd,La)(Fe³⁺,Fe²⁺,Ti,Al)₃O₂(Si₂O₇)(As³⁺O₃)(OH)
- Group
- Silicates
- Crystal system
- Monoclinic
- Hardness (Mohs)
- —
- Color
- Black
- Luster
- —
- Streak
- —
- Density
- —
- Cleavage
- —
- Fracture
- —
- Tenacity
- —
- Crystal habit
- —
- Transparency
- —
- Space group
- C2/m
- Fluorescence
- —
- Magnetism
- —
- Radioactivity
- —
- Refractive index
- —
- Optical character
- —
- Birefringence
- —
- Pleochroism
- —
- Strunz classification
- 9.BE.92
- Dana classification
- 43.4.12.1
- IMA status
- Approved mineral and/or valid name (A)
- IMA symbol
- Cvd-Ce
- Locality
- 🇨🇭 Scherbadung
- Type locality
- —
- Discovery year
- —
Etymology
Named after Scherbadung
Source: Wikidata
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