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Tinzenite and Tortoiseshell Physical Properties


Physical Properties

Tenacity
-  
-  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
1.25-1.35  
3.355-3.433  

Fracture
-  
Uneven  

Cleavage
None  
{???} Good, {???} Good  

Mohs Hardness
-9999  
-9999  

Chemical Composition
-  
(Ca,Mn2+ ,Fe2+ ) 3Al 2BSi 4O 15(OH)Anthony et al , Handbook of mineralogy (2001)  

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