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Purpurite and Grossular Physical Properties


Grossular and Purpurite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.2-3.4   
3.55-3.73   

Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle   
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle   

Cleavage
[100] [001] perfect   
none   

Mohs Hardness
4-4.5   
7-7.5   

Chemical Composition
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references   
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Purpurite and Grossular Chemical Formula

While comparing Purpurite and Grossular 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 Purpurite and Grossular chemical formula.

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Purpurite and Grossular Specific Gravity

Another important criteria for qualitative analysis of gemstones is Purpurite and Grossular Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Purpurite and Grossular Optical Properties during the identification of gemstone. Specific gravity of Purpurite is 3.55-3.73 whereas that of Grossular is 3.55-3.73.

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