Sugilite
K(Na,☐)₂Li₃(Fe,Mn,Al,Zr)₂[Si₁₂O₃₀]
Cyclosilicate mineral
Properties
- Chemical formula
- K(Na,☐)₂Li₃(Fe,Mn,Al,Zr)₂[Si₁₂O₃₀]
- Group
- Silicates
- Crystal system
- Hexagonal
- Hardness (Mohs)
- —
- Color
- Brown
- Luster
- —
- Streak
- White
- Density
- —
- Cleavage
- —
- Fracture
- —
- Tenacity
- —
- Crystal habit
- —
- Transparency
- —
- Space group
- —
- Fluorescence
- —
- Magnetism
- —
- Radioactivity
- —
- Refractive index
- —
- Optical character
- —
- Birefringence
- —
- Pleochroism
- —
- Strunz classification
- 9.CM.05
- Dana classification
- —
- IMA status
- Approved mineral and/or valid name (A)
- IMA symbol
- Sug
- Locality
- 🇯🇵 Iwagi islet
- Type locality
- —
- Discovery year
- —
Etymology
Named after Ken-ichi Sugi
Source: Wikidata
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