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Boulder Opal and Chrysoprase Physical Properties


Chrysoprase and Boulder Opal Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
1.98-2.25   
2.58-2.64   

Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   
Gems, Sixth Edition (2006)   

Cleavage
Not Available   
None   

Mohs Hardness
5-6.5   
6.5-7   

Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.   
SiO2 (with a high level of nickel impurities )   

Optical Properties >>
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Boulder Opal and Chrysoprase Chemical Formula

While comparing Boulder Opal and Chrysoprase 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 Boulder Opal and Chrysoprase chemical formula.

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Boulder Opal and Chrysoprase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Boulder Opal and Chrysoprase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boulder Opal and Chrysoprase Optical Properties during the identification of gemstone. Specific gravity of Boulder Opal is 2.58-2.64 whereas that of Chrysoprase is 2.58-2.64.

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