Dioptase

Photo: Didier Descouens · CC BY-SA 4.0

Dioptase

CuSiO₃·H₂O

Cyclosilicate mineral

Properties

Chemical formula
CuSiO₃·H₂O
Group
Silicates
Crystal system
Trigonal
Hardness (Mohs)
5
Color
Blue
Luster
Streak
Green
Density
Cleavage
Fracture
Tenacity
Crystal habit
Transparency
Space group
R-3
Fluorescence
Magnetism
Radioactivity
Refractive index
Optical character
Birefringence
Pleochroism
Strunz classification
9.CJ.30
Dana classification
61.1.3.1
IMA status
Grandfathered mineral (G)
IMA symbol
Dpt
Locality
🇰🇿 Karaganda Region
Type locality
Discovery year

Etymology

Named after dia-

Source: Wikidata

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