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Girasol and Onyx Physical Properties


Onyx and Girasol Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
1.98-2.50   
2.55-2.70   

Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)   
Not Available   

Cleavage
Not Available   
Indiscernible   

Mohs Hardness
5.5-6.5   
6.5-7   

Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)   
SiO2   

Optical Properties >>
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Girasol and Onyx Chemical Formula

While comparing Girasol and Onyx 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 Girasol and Onyx chemical formula.

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Girasol and Onyx Specific Gravity

Another important criteria for qualitative analysis of gemstones is Girasol and Onyx Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Girasol and Onyx Optical Properties during the identification of gemstone. Specific gravity of Girasol is 2.55-2.70 whereas that of Onyx is 2.55-2.70.

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