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Axinite and Chrysoprase Physical Properties


Physical Properties

Tenacity
-  
-  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
2.58-2.64  
3.26-3.36  

Fracture
-  
Conchoidal  

Cleavage
None  
Good on {100}  

Mohs Hardness
6.5-7  
6.5-7  

Chemical Composition
SiO2 (with a high level of nickel impurities )  
(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references  

Optical Properties >>
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