Rosasite and Dravite Physical Properties

Rosasite

Dravite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

Effervesces in cold

4-4.2

Splintery

Perfect on {100} and {010}

CuZn(CO3)(OH)2

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)

Rosasite and Dravite Chemical Formula

While comparing Rosasite 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 Rosasite and Dravite chemical formula.

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Rosasite and Dravite Specific Gravity

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