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Grossular
Jade
Jade and Grossular Physical Properties


Physical Properties
Tenacity
-  
-  
Solubility
-  
-  
Durability
-  
-  
Specific Gravity
3.55-3.73  
2.90-3.38  
Fracture
Conchoidal, Uneven  
Splintery  
Cleavage
none  
1 or 2,2 prismatic.  
Mohs Hardness
7-7.5  
6-7  
Chemical Composition
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)  
Nephrite: Ca2(Mg,Fe)5Si8O22(OH)2 Jadeite: NaAlSi2O6  
Optical Properties >>
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