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Jacinth
Precious Opal
Precious Opal and Jacinth Physical Properties


Physical Properties
Tenacity
-  
-  
Solubility
-  
-  
Durability
-  
-  
Specific Gravity
-9999  
1.98-2.25  
Fracture
-  
Conchoidal  
Cleavage
None  
None  
Mohs Hardness
-9999  
5-6.5  
Chemical Composition
ZrSiO4  
SiO 2 · nH 2OGemdat.org , Management Team (2012)  
Optical Properties >>
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