Perrierite-(La)
(La,Ce,Ca)₄(Fe²⁺,Mn)(Ti,Fe³⁺,Al)₄[(Si₂O₇)O₄]₂
Sorosilicate mineral
Properties
- Chemical formula
- (La,Ce,Ca)₄(Fe²⁺,Mn)(Ti,Fe³⁺,Al)₄[(Si₂O₇)O₄]₂
- Group
- Silicates
- Crystal system
- Monoclinic
- Hardness (Mohs)
- —
- Color
- —
- Luster
- —
- Streak
- —
- Density
- —
- Cleavage
- —
- Fracture
- —
- Tenacity
- —
- Crystal habit
- —
- Transparency
- —
- Space group
- P2₁/a
- Fluorescence
- —
- Magnetism
- —
- Radioactivity
- —
- Refractive index
- —
- Optical character
- —
- Birefringence
- —
- Pleochroism
- —
- Strunz classification
- 9.BE.70
- Dana classification
- —
- IMA status
- Approved mineral and/or valid name (A)
- IMA symbol
- Prr-La
- Locality
- 🇩🇪 In den Dellen quarries
- Type locality
- —
- Discovery year
- —
Etymology
Named after lanthanum
Source: Wikidata
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