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Atacamite
Atacamite

Dravite
Dravite



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Atacamite
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Dravite

Atacamite and Dravite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.745-3.776
Conchoidal
Perfect on {010}, fair on {101}
3-3.5
Cu2Cl(OH)3
 
-
-
-
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)

Atacamite and Dravite Chemical Formula

While comparing Atacamite 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 Atacamite and Dravite chemical formula.

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Atacamite and Dravite Specific Gravity

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