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Moss Agate
Prase
Prase and Moss Agate Physical Properties


Physical Properties
Tenacity
-  
-  
Solubility
-  
-  
Durability
-  
-  
Specific Gravity
2.58-2.64  
2.64-2.69  
Fracture
-  
-  
Cleavage
None  
None  
Mohs Hardness
6.5-7  
7  
Chemical Composition
SiO 2Walter Schumann , Gemstones of the world (2001)  
SiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)  
Optical Properties >>
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