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Williamsite and Opal Physical Properties


Opal and Williamsite Physical Properties


Physical Properties

Tenacity
Not Available   
BrittleWalter Schumann   

Solubility
Not Available   
hot salt water   

Durability
Not Available   
Not Available   

Specific Gravity
2.51-2.63   
1.98-2.25   

Fracture
Conchoidal, Conchoidal, Handbook of mineralogy (2001)   
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle   

Cleavage
Not Available   
None   

Mohs Hardness
4   
5-6.5   

Chemical Composition
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)   
SiO2 · nH2O   

Optical Properties >>
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Williamsite and Opal Chemical Formula

While comparing Williamsite and Opal 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 Williamsite and Opal chemical formula.

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Williamsite and Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Williamsite and Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Williamsite and Opal Optical Properties during the identification of gemstone. Specific gravity of Williamsite is 1.98-2.25 whereas that of Opal is 1.98-2.25.

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