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Steatite and Opal Physical Properties


Opal and Steatite Physical Properties


Physical Properties

Tenacity
Not Available   
BrittleWalter Schumann   

Solubility
Not Available   
hot salt water   

Durability
Not Available   
Not Available   

Specific Gravity
2.20-2.80   
1.98-2.25   

Fracture
Not Available   
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle   

Cleavage
Not Available   
None   

Mohs Hardness
Not Available   
5-6.5   

Chemical Composition
Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)   
SiO2 · nH2O   

Optical Properties >>
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Steatite and Opal Chemical Formula

While comparing Steatite 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 Steatite and Opal chemical formula.

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Steatite and Opal Specific Gravity

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

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Green Gemstones


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