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Grandidierite and Trinitite Physical Properties


Physical Properties

Tenacity
-  
-  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
-9999  
2.85-3.00  

Fracture
-  
Uneven  

Cleavage
-  
Perfect  

Mohs Hardness
-9999  
7.5  

Chemical Composition
SiO2, Al2O3, CaO, MgO, FeO  
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.  

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