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Mexican fire opal and Jet Physical Properties


Jet
Jet and Mexican fire opal Physical Properties


Physical Properties

Tenacity
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Solubility
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Durability
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Specific Gravity
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1.19-1.35   

Fracture
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ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references   

Cleavage
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Mohs Hardness
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2.5-4   

Chemical Composition
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Optical Properties >>
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Mexican fire opal and Jet Chemical Formula

While comparing Mexican fire opal and Jet 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 Mexican fire opal and Jet chemical formula.

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Mexican fire opal and Jet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mexican fire opal and Jet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mexican fire opal and Jet Optical Properties during the identification of gemstone. Specific gravity of Mexican fire opal is 1.19-1.35 whereas that of Jet is 1.19-1.35.

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