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Demantoid
Variscite
Variscite and Demantoid Physical Properties


Physical Properties
Tenacity
-  
-  
Solubility
-  
-  
Durability
-  
-  
Specific Gravity
3.77-3.95  
2.42-2.58  
Fracture
-  
Conchoidal, Splintery, ConchoidalWalter Schumann  
Cleavage
Imperfect  
[010] perfect  
Mohs Hardness
6.5  
4-5  
Chemical Composition
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.  
AlPO4 · 2(H2O)  
Optical Properties >>
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