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Gemstones



Microlite and Agate Physical Properties


Physical Properties

Tenacity
-  
-  

Solubility
-  
-  

Durability
-  
-  

Specific Gravity
2.60-2.64  
5.5  

Fracture
Conchoidal  
Conchoidal  

Cleavage
Indiscernible  
{111} Indistinct, {111} Indistinct, {111} Indistinct  

Mohs Hardness
6.5-7  
5-5.5  

Chemical Composition
SiO2  
(Ca,Na) 2Ta 2O 6(O,OH,F)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references  

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