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Pyroxmangite and Dravite Physical Properties


Dravite and Pyroxmangite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.76-3.77   
3.03-3.18   

Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)   
Uneven, Uneven, Irregular, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle   

Cleavage
{110} Perfect, {110} Perfect   
{???} Indistinct   

Mohs Hardness
5-6   
7-7.5   

Chemical Composition
(Fe,Mn) 7Si 7O 21Ulrich Henn and Claudio C.   
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)   

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Pyroxmangite and Dravite Chemical Formula

While comparing Pyroxmangite and Dravite 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 Pyroxmangite and Dravite chemical formula.

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Pyroxmangite and Dravite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyroxmangite and Dravite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyroxmangite and Dravite Optical Properties during the identification of gemstone. Specific gravity of Pyroxmangite is 3.03-3.18 whereas that of Dravite is 3.03-3.18.

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