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Onyx
Onyx

Williamsite
Williamsite



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X
Onyx
X
Williamsite

Onyx and Williamsite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.55-2.70
-
Indiscernible
6.5-7
SiO2
 
-
-
-
2.51-2.63
Conchoidal
Perfect
4
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Onyx and Williamsite Chemical Formula

While comparing Onyx and Williamsite 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 Williamsite chemical formula.

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Onyx and Williamsite Specific Gravity

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