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Periclase and Sunstone Physical Properties


Sunstone and Periclase Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.7-3.9   
2.62-2.65   

Fracture
Conchoidal, Brittle   
Gemstones of the world (2001)   

Cleavage
{001} perfect; {111} imperfect, may exhibit parting on , {011}   
001   

Mohs Hardness
5.5-6   
6   

Chemical Composition
MgOMichael O’Donoghue , Gems, Sixth Edition (2006)   
Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8   

Optical Properties >>
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Periclase and Sunstone Chemical Formula

While comparing Periclase 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 Periclase and Sunstone chemical formula.

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Periclase and Sunstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Periclase and Sunstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Periclase and Sunstone Optical Properties during the identification of gemstone. Specific gravity of Periclase is 2.62-2.65 whereas that of Sunstone is 2.62-2.65.

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