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Sinhalite
Sinhalite

Dravite
Dravite



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Sinhalite
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Dravite

Sinhalite and Dravite Physical Properties

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Physical Properties

Tenacity

-
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.46-3.503.03-3.18
1 7.18
👆🏻

Fracture

Conchoidal
Uneven, Irregular, Conchoidal

Cleavage

Perfect
{???} Indistinct

Mohs Hardness

6-77-7.5
2 10
👆🏻

Chemical Composition

MgAlBO 4Michael O’Donoghue , 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)

Sinhalite and Dravite Chemical Formula

While comparing Sinhalite 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 Sinhalite and Dravite chemical formula.

  • Chemical formula of Sinhalite- MgAlBO 4Michael O’Donoghue , 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)

Sinhalite and Dravite Specific Gravity

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