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Mexican fire opal and Powellite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.23   
Not Available   

Fracture
UnevenAnthony et al, Handbook of mineralogy (2001), UnevenAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal   
Not Available   

Cleavage
{111} Distinct   
Not Available   

Mohs Hardness
3.5-4   
Not Available   

Chemical Composition
CaMoO 4Michael O’Donoghue , Gems, Sixth Edition (2006)   
Not Available   

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