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London blue topaz and Star Ruby Physical Properties


Star Ruby and London blue topaz 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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3.95-4.10   

Fracture
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Uneven, Uneven, Gems, Sixth Edition (2006)   

Cleavage
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Mohs Hardness
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Chemical Composition
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Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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London blue topaz and Star Ruby Chemical Formula

While comparing London blue topaz and Star Ruby 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 London blue topaz and Star Ruby chemical formula.

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London blue topaz and Star Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is London blue topaz and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use London blue topaz and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of London blue topaz is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.

Blue Gemstones

Blue Gemstones


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