Fluornatrocoulsellite
(Na₁.₅Ca₀.₅)(Mg₁.₅Al₀.₅)F₆F
Halide mineral
Properties
- Chemical formula
- (Na₁.₅Ca₀.₅)(Mg₁.₅Al₀.₅)F₆F
- Group
- Halides
- Crystal system
- Trigonal
- Hardness (Mohs)
- 4,5
- Color
- Colorless
- Luster
- —
- Streak
- White
- Density
- —
- Cleavage
- —
- Fracture
- —
- Tenacity
- —
- Crystal habit
- —
- Transparency
- —
- Space group
- R-3m
- Fluorescence
- —
- Magnetism
- —
- Radioactivity
- —
- Refractive index
- —
- Optical character
- —
- Birefringence
- —
- Pleochroism
- —
- Strunz classification
- 4.DH.15
- Dana classification
- —
- IMA status
- Renamed mineral (Rn)
- IMA symbol
- Fnc
- Locality
- 🇦🇺 Mount Cleveland tin mine, Luina
- Type locality
- —
- Discovery year
- —
Etymology
Named after fluorine
Source: Wikidata
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