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Forsterite and Sunstone Physical Properties


Sunstone and Forsterite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.23-3.26   
2.62-2.65   

Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle   
Gemstones of the world (2001)   

Cleavage
Perfect on {010} imperfect on {100}   
001   

Mohs Hardness
6.5-7   
6   

Chemical Composition
Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)   
Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8   

Optical Properties >>
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Forsterite and Sunstone Chemical Formula

While comparing Forsterite 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 Forsterite and Sunstone chemical formula.

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Forsterite and Sunstone Specific Gravity

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

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