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Axinite
Axinite

Bustamite
Bustamite



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Axinite
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Bustamite

Axinite and Bustamite Physical Properties

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Physical Properties

Tenacity

-
-

Solubility

-
Partly soluble in HCl.

Durability

-
-

Specific Gravity

3.26-3.363.32-3.43
1 7.18
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Fracture

Conchoidal
Conchoidal

Cleavage

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

Mohs Hardness

6.5-75.5-6
2 10
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Chemical Composition

(Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
(Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Axinite and Bustamite Chemical Formula

While comparing Axinite 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 Axinite and Bustamite chemical formula.

  • Chemical formula of Axinite- (Ca,Fe,Mn,Mg) 3Al 2BSi 4O 15(OH)Walter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Axinite and Bustamite Specific Gravity

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