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Onyx and Papagoite Physical Properties


Papagoite and Onyx Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.55-2.70   
3.25   

Fracture
Not Available   
Brittle, Metallic   

Cleavage
Indiscernible   
Imperfect in one direction   

Mohs Hardness
6.5-7   
5-5.5   

Chemical Composition
SiO2   
CaCuAlSi 2O 6(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Onyx and Papagoite Chemical Formula

While comparing Onyx and Papagoite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Onyx and Papagoite chemical formula.

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Onyx and Papagoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Onyx and Papagoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Onyx and Papagoite Optical Properties during the identification of gemstone. Specific gravity of Onyx is 3.25 whereas that of Papagoite is 3.25.

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