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Cuprite
Prase
Prase and Cuprite Physical Properties


Physical Properties
Tenacity
Brittle  
-  
Solubility
-  
-  
Durability
-  
-  
Specific Gravity
5.85-6.15  
2.64-2.69  
Fracture
Conchoidal  
-  
Cleavage
Fair in four directions forming octahedrons  
None  
Mohs Hardness
3.5-4  
7  
Chemical Composition
Cu 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references  
SiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)  
Optical Properties >>
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