Rowlandite-(Y)
(Y,Ce)₄Fe²⁺(Si₂O₇)₂F₂ (?)
Unclassified silicate
Properties
- Chemical formula
- (Y,Ce)₄Fe²⁺(Si₂O₇)₂F₂ (?)
- Group
- Silicates
- Crystal system
- Triclinic
- 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.HG.20
- Dana classification
- 55.2.1b.1
- IMA status
- Renamed mineral (Rn)
- IMA symbol
- Row-Y
- Locality
- —
- Type locality
- —
- Discovery year
- —
Etymology
Named after Henry Augustus Rowland
Source: Wikidata
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