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Wood Opal and Sard Physical Properties


Sard and Wood 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   
2.58-2.63   

Fracture
Not Available   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Not Available   
Not Available   

Mohs Hardness
5.5-6.5   
6.5-7   

Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)   
SiO 2Ulrich Henn and Claudio C.   

Optical Properties >>
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Wood Opal and Sard Chemical Formula

While comparing Wood 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 Wood Opal and Sard chemical formula.

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Wood Opal and Sard Specific Gravity

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

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