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Crystal Opal
Crystal Opal

Blue spinel
Blue spinel



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Crystal Opal
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Blue spinel

Crystal Opal and Blue spinel Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.97-2.22
Not Available
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Not Available
1.6 Cleavage
Not Available
Not Available
1.7 Mohs Hardness
5.5-6.5
Not Available
1.8 Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
Not Available

Crystal Opal and Blue spinel Chemical Formula

While comparing Crystal Opal and Blue spinel 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 Crystal Opal and Blue spinel chemical formula.

  • Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
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Crystal Opal and Blue spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Crystal Opal and Blue spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crystal Opal and Blue spinel Optical Properties during the identification of gemstone. Specific gravity of Crystal Opal is Not Available whereas that of Blue spinel is Not Available.