Microlite and Dravite Physical Properties

Microlite

Dravite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

5.53.03-3.18

1 7.18

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Fracture

Conchoidal

Uneven, Irregular, Conchoidal

Cleavage

{111} Indistinct, {111} Indistinct, {111} Indistinct

{???} Indistinct

Mohs Hardness

5-5.57-7.5

2 10

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Chemical Composition

(Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , 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)

Microlite and Dravite Chemical Formula

While comparing Microlite 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 Microlite and Dravite chemical formula.

Chemical formula of Microlite- (Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Dravite- Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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Microlite and Dravite Specific Gravity

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