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Beryl
Beryl

Bustamite
Bustamite



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Beryl
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Bustamite

Beryl and Bustamite Physical Properties

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Physical Properties

Tenacity

Brittle
-

Solubility

-
Partly soluble in HCl.

Durability

-
-

Specific Gravity

2.60-2.903.32-3.43
1 7.18
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Fracture

Uneven, Conchoidal, Irregular
Conchoidal

Cleavage

Imperfect on {0001}
{100} perfect; {110} and {1 1 0} good; {010} poor

Mohs Hardness

7.5-85.5-6
2 10
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Chemical Composition

Be3Al2Si6O18
(Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Beryl and Bustamite Chemical Formula

While comparing Beryl and Bustamite 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 Beryl and Bustamite chemical formula.

  • Chemical formula of Beryl- Be3Al2Si6O18
  • Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Beryl and Bustamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryl and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryl and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Beryl is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.