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Dravite and Mottramite Physical Properties


Mottramite and Dravite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
3.03-3.18   
5.9   

Fracture
Uneven, Uneven, Irregular, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle   
Sub-Conchoidal, Brittle, Metallic   

Cleavage
{???} Indistinct   
None observed   

Mohs Hardness
7-7.5   
3   

Chemical Composition
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)   
Not Available   

Optical Properties >>
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Dravite and Mottramite Chemical Formula

While comparing Dravite and Mottramite 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 Dravite and Mottramite chemical formula.

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Dravite and Mottramite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dravite and Mottramite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dravite and Mottramite Optical Properties during the identification of gemstone. Specific gravity of Dravite is 5.9 whereas that of Mottramite is 5.9.

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