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Gemstones



Thulite and Jasper Physical Properties


Physical Properties

Tenacity
-  
-  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
2.58-2.91  
3.1  

Fracture
Conchoidal  
Uneven, Conchoidal  

Cleavage
Indiscernible  
Perfect {010} imperfect {100}  

Mohs Hardness
6.5-7  
6-7  

Chemical Composition
SiO2  
Ca2Al3(SiO4)3(OH)  

Optical Properties >>
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Semi Precious Gemstones

Semi Precious Gemstones


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