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Sard
Morion
Morion and Sard Physical Properties


Physical Properties
Tenacity
-  
-  
Solubility
-  
-  
Durability
-  
-  
Specific Gravity
2.58-2.63  
2.65  
Fracture
Conchoidal  
ConchoidalWalter Schumann  
Cleavage
None  
None  
Mohs Hardness
6.5-7  
-9999  
Chemical Composition
SiO 2Ulrich Henn and Claudio C.  
SiO 2Ulrich Henn and Claudio C.  
Optical Properties >>
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