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Pyrophyllite
Pyrophyllite

Sunstone
Sunstone



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Pyrophyllite
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Sunstone

Pyrophyllite and Sunstone Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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2.65-2.90
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{001} Perfect
-9999
Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
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2.62-2.65
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001
6
Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8

Pyrophyllite and Sunstone Chemical Formula

While comparing Pyrophyllite and Sunstone 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 Pyrophyllite and Sunstone chemical formula.

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Pyrophyllite and Sunstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Sunstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite Vs Sunstone during the identification of gemstone. Specific gravity of Pyrophyllite is whereas that of Sunstone is .