Rhyolite and Verdelite Physical Properties
Tenacity
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Solubility
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Durability
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Specific Gravity
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2.90-3.40
Fracture
Not Available
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Cleavage
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Chemical Composition
Not Available
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Rhyolite and Verdelite Chemical Formula
While comparing Rhyolite and Verdelite 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 Rhyolite and Verdelite chemical formula.
>- Chemical formula of Verdelite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Rhyolite and Verdelite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Rhyolite and Verdelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhyolite and Verdelite Optical Properties during the identification of gemstone. Specific gravity of Rhyolite is 2.90-3.40 whereas that of Verdelite is 2.90-3.40.