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Chrome-Chalcedony
Chrome-Chalcedony

Chiastolite
Chiastolite



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Chrome-Chalcedony
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Chiastolite
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.55-2.70
-
None
6.5-7
SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)
 
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-
-
3.00-3.15
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Indistinct
5-5.5
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006)