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Sphene and Pyrophyllite Physical Properties


Pyrophyllite and Sphene Physical Properties


Physical Properties

Tenacity
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Not Available   

Solubility
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Durability
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Specific Gravity
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2.65-2.90   

Fracture
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Gemstones (2009), Flexible Flexible fragments.   

Cleavage
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{001} Perfect   

Mohs Hardness
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Not Available   

Chemical Composition
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Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Sphene and Pyrophyllite Chemical Formula

While comparing Sphene 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 Sphene and Pyrophyllite chemical formula.

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Sphene and Pyrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sphene and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sphene and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Sphene is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.

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Yellow Gemstones


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