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Tortoiseshell and Thulite Physical Properties


Physical Properties

Tenacity
-  
-  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
3.1  
1.25-1.35  

Fracture
Uneven, Conchoidal  
-  

Cleavage
Perfect {010} imperfect {100}  
None  

Mohs Hardness
6-7  
-9999  

Chemical Composition
Ca2Al3(SiO4)3(OH)  
-  

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