Crystal Quartz and Purpurite Physical Properties
Tenacity
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Solubility
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Durability
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Specific Gravity
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3.2-3.4
Fracture
Not Available
Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle
Cleavage
Not Available
[100] [001] perfect
Chemical Composition
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MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Crystal Quartz and Purpurite Chemical Formula
While comparing Crystal Quartz and Purpurite 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 Quartz and Purpurite chemical formula.
>- Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Crystal Quartz and Purpurite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Crystal Quartz and Purpurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crystal Quartz and Purpurite Optical Properties during the identification of gemstone. Specific gravity of Crystal Quartz is 3.2-3.4 whereas that of Purpurite is 3.2-3.4.