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Smithsonite
Uvarovite
Uvarovite and Smithsonite Physical Properties


Physical Properties
Tenacity
Brittle  
-  
Solubility
-  
-  
Durability
-  
-  
Specific Gravity
4.00-4.65  
3.77  
Fracture
Uneven, Sub-Conchoidal  
Uneven, Conchoidal  
Cleavage
Perfect on [1011]  
None  
Mohs Hardness
5-5.5  
6.5-7.5  
Chemical Composition
ZnCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references  
Ca 3Cr 2(SiO 4) 3Ulrich Henn and Claudio C.  
Optical Properties >>
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