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Scapolite and Purpurite Physical Properties


Purpurite and Scapolite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.58-2.74   
3.2-3.4   

Fracture
ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Splintery   
Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle   

Cleavage
{100} Distinct, {110} Distinct   
[100] [001] perfect   

Mohs Hardness
5.5-6   
4-4.5   

Chemical Composition
Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references   
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references   

Optical Properties >>
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Scapolite and Purpurite Chemical Formula

While comparing Scapolite and Purpurite 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 Scapolite and Purpurite chemical formula.

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Scapolite and Purpurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Scapolite and Purpurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scapolite and Purpurite Optical Properties during the identification of gemstone. Specific gravity of Scapolite is 3.2-3.4 whereas that of Purpurite is 3.2-3.4.

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