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Andean Opal and Sard Physical Properties


Sard and Andean Opal Physical Properties


Physical Properties

Tenacity
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Not Available   

Solubility
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Durability
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Specific Gravity
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2.58-2.63   

Fracture
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ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
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Mohs Hardness
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6.5-7   

Chemical Composition
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SiO 2Ulrich Henn and Claudio C.   

Optical Properties >>
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Andean Opal and Sard Chemical Formula

While comparing Andean Opal and Sard 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 Andean Opal and Sard chemical formula.

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Andean Opal and Sard Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andean Opal and Sard Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andean Opal and Sard Optical Properties during the identification of gemstone. Specific gravity of Andean Opal is 2.58-2.63 whereas that of Sard is 2.58-2.63.

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