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Biotite and Rutilated Quartz Physical Properties


Physical Properties

Tenacity
-  
Brittle  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
2.65  
2.7-3.3  

Fracture
-  
Uneven, Even  

Cleavage
Indiscernible  
Perfect on the {001}  

Mohs Hardness
7  
2.5-3.0  

Chemical Composition
Quartz: SiO2 Rutile: TiO2  
K(Mg,Fe++)3[AlSi3O10(OH,F)2  

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