Crystal Quartz and Pyrophyllite Physical Properties
Tenacity
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Solubility
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Not Available
Durability
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Specific Gravity
Not Available
2.65-2.90
Fracture
Not Available
Gemstones (2009), Flexible Flexible fragments.
Cleavage
Not Available
{001} Perfect
Mohs Hardness
7
Not Available
Chemical Composition
Not Available
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Crystal Quartz and Pyrophyllite Chemical Formula
While comparing Crystal Quartz and Pyrophyllite 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 Pyrophyllite chemical formula.
>- Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Crystal Quartz and Pyrophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Crystal Quartz and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Crystal Quartz and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Crystal Quartz is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.