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Chrysoberyl
Chrysoberyl

Dravite
Dravite



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Chrysoberyl
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Dravite

Chrysoberyl and Dravite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.69-3.813.03-3.18
1 7.18
👆🏻

Fracture

Uneven, Conchoidal to uneven, ConchoidalWalter Schumann
Uneven, Irregular, Conchoidal

Cleavage

Distinct on {110}, imperfect on {010}, poor on {001}
{???} Indistinct

Mohs Hardness

8.57-7.5
2 10
👆🏻

Chemical Composition

BeAl 2 O 4
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Chrysoberyl and Dravite Chemical Formula

While comparing Chrysoberyl 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 Chrysoberyl and Dravite chemical formula.

  • Chemical formula of Chrysoberyl- BeAl 2 O 4
  • Chemical formula of Dravite- Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Chrysoberyl and Dravite Specific Gravity

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