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Common Opal and Sanidine Physical Properties


Sanidine and Common Opal 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   
2.54-2.61   

Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)   
Uneven, Uneven, Gems, Sixth Edition (2006)   

Cleavage
Not Available   
{001} Perfect, {010} Good   

Mohs Hardness
5.5-6.5   
6   

Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)   
KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Common Opal and Sanidine Chemical Formula

While comparing Common Opal and Sanidine 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 Common Opal and Sanidine chemical formula.

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Common Opal and Sanidine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Common Opal and Sanidine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Common Opal and Sanidine Optical Properties during the identification of gemstone. Specific gravity of Common Opal is 2.54-2.61 whereas that of Sanidine is 2.54-2.61.

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