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Dravite
Dravite

Phosgenite
Phosgenite



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Dravite
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Phosgenite

Dravite and Phosgenite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.03-3.18
Uneven, Irregular, Conchoidal
{???} Indistinct
7-7.5
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
 
Sectile
Soluble
-
6.13
Conchoidal
Distinct on {001} and {110}, indistinct on {100}
2-3
Pb 2(CO 3)Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Dravite and Phosgenite Chemical Formula

While comparing Dravite and Phosgenite 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 Phosgenite chemical formula.

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Dravite and Phosgenite Specific Gravity

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