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Weloganite
Tortoiseshell
Tortoiseshell and Weloganite Physical Properties


Physical Properties
Tenacity
-  
-  
Solubility
-  
-  
Durability
-  
-  
Specific Gravity
3.20-3.22  
1.25-1.35  
Fracture
Conchoidal  
-  
Cleavage
Perfect on pseudo {0001}  
None  
Mohs Hardness
3  
-9999  
Chemical Composition
Na2SrZrSi6O17(OH)3·3H2O  
-  
Optical Properties >>
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Yellow Gemstones

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