Crocoite and Dravite Physical Properties

Crocoite

Dravite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

5.90-6.10

Conchoidal

{110} Distinct, {001} Indistinct, {100} Indistinct

2.5-3

PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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)

Crocoite and Dravite Chemical Formula

While comparing Crocoite 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 Crocoite and Dravite chemical formula.

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Crocoite and Dravite Specific Gravity

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