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Chabazite

General Information
Chemical Formula
CaAl
 
2
Si
 
4
O
 
12
-6H
 
2
O
Arthur Thomas, Gemstones (2009)
Physical Properties of Chabazite
Mohs Hardness4.5
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
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Specific Gravity2.08 to 2.16
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
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Cleavage QualityDistinct
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
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FractureUneven
Arthur Thomas, Gemstones (2009)
Optical Properties of Chabazite
Refractive Index1.478 to 1.490
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
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Optical CharacterUniaxial/+
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
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Birefringence0.005 to 0.008
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
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PleochroismNil
Arthur Thomas, Gemstones (2009)
DispersionNil
Arthur Thomas, Gemstones (2009)
Colour
Colour (General)Colourless, white, reddish, brownish
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
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TransparencyTransparent,Translucent
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
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LustreVitreous
Arthur Thomas, Gemstones (2009)
Crystallography of Chabazite
Crystal SystemTrigonal
Ulrich Henn and Claudio C. Milisenda, Gemmological Tables (2004)
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HabitRhombohedral, pseudo-cubic
Arthur Thomas, Gemstones (2009)
Further Information
Mineral information:Chabazite information at mindat.org
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