Leifite
Na₇Be₂(Si₁₅Al₃)O₃₉(F,OH)₂
Transitional structure between phyllosilicate and other silicate unit, mineral
Properties
- Chemical formula
- Na₇Be₂(Si₁₅Al₃)O₃₉(F,OH)₂
- Group
- Silicates
- Crystal system
- Trigonal
- Hardness (Mohs)
- —
- Color
- White
- Luster
- —
- Streak
- White
- Density
- —
- Cleavage
- —
- Fracture
- —
- Tenacity
- —
- Crystal habit
- —
- Transparency
- —
- Space group
- P-3m1
- Fluorescence
- —
- Magnetism
- —
- Radioactivity
- —
- Refractive index
- —
- Optical character
- —
- Birefringence
- —
- Pleochroism
- —
- Strunz classification
- 9.EH.25
- Dana classification
- 78.7.10.1
- IMA status
- Redefined mineral (Rd)
- IMA symbol
- Lf
- Locality
- 🇬🇱 Narsaarsuk pegmatite
- Type locality
- —
- Discovery year
- —
Etymology
Named after Leif Erikson
Source: Wikidata
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