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Violane
Shigaite
Shigaite and Violane Physical Properties


Physical Properties
Tenacity
-  
Moderately flexible  
Solubility
-  
-  
Durability
-  
-  
Specific Gravity
3.22-3.40  
2.32  
Fracture
Conchoidal  
-  
Cleavage
Perfect  
Perfect on {0001}  
Mohs Hardness
5-6  
2  
Chemical Composition
(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)  
Pb6Cu3BiS4  
Optical Properties >>
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