Coesite
SiO₂
Silica mineral, rare polymorph of quartz
Properties
- Chemical formula
- SiO₂
- Group
- Silicates
- Crystal system
- Monoclinic
- Hardness (Mohs)
- —
- Color
- Colorless
- Luster
- —
- Streak
- White
- Density
- —
- Cleavage
- —
- Fracture
- —
- Tenacity
- —
- Crystal habit
- —
- Transparency
- —
- Space group
- C2/c
- Fluorescence
- —
- Magnetism
- —
- Radioactivity
- —
- Refractive index
- —
- Optical character
- —
- Birefringence
- —
- Pleochroism
- —
- Strunz classification
- 4.DA.35
- Dana classification
- 75.1.4.1
- IMA status
- Approved mineral and/or valid name (A)
- IMA symbol
- Coe
- Locality
- —
- Type locality
- —
- Discovery year
- —
Etymology
Named after Loring Coes Jr.
Source: Wikidata
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