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Anglesite and Dravite Physical Properties


Dravite and Anglesite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
6.30-6.39   
3.03-3.18   

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

Cleavage
[001] good, [210] distinct   
{???} Indistinct   

Mohs Hardness
3-3.5   
7-7.5   

Chemical Composition
PbSO 4Michael O’Donoghue , Gems, Sixth edition (2006) More from other references   
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)   

Optical Properties >>
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Anglesite and Dravite Chemical Formula

While comparing Anglesite 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 Anglesite and Dravite chemical formula.

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Anglesite and Dravite Specific Gravity

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

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