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Chrysoprase
Chrysoprase

Zektzerite
Zektzerite



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Chrysoprase
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Zektzerite
Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.58-2.64
-
None
6.5-7
SiO2 (with a high level of nickel impurities )
 
-
-
-
2.79
-
{100} and {010} perfect
6
LiNa(Zr,Ti,Hf)Si 6O 15Ulrich Henn and Claudio C.