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Sunstone and Poudretteite Physical Properties


Poudretteite and Sunstone Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.62-2.65   
2.51-2.53   

Fracture
Gemstones of the world (2001)   
Conchoidal, Splintery   

Cleavage
001   
None   

Mohs Hardness
6   
5   

Chemical Composition
Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8   
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Sunstone and Poudretteite Chemical Formula

While comparing Sunstone and Poudretteite 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 Sunstone and Poudretteite chemical formula.

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Sunstone and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sunstone and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sunstone and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Sunstone is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.

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