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Bustamite
Bustamite

Bornite
Bornite



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Bustamite
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Bornite

Bustamite and Bornite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
Partly soluble in HCl.
-
3.32-3.43
Conchoidal
{100} perfect; {110} and {1 1 0} good; {010} poor
5.5-6
(Ca,Mn2+ )Si 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
Brittle
-
-
5.06-5.08
Uneven, Subconchoidal, Conchoidal
Poor on [111].
3-3.25
Cu5FeS4

Bustamite and Bornite Chemical Formula

While comparing Bustamite and Bornite 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 Bustamite and Bornite chemical formula.

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Bustamite and Bornite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bustamite and Bornite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite Vs Bornite during the identification of gemstone. Specific gravity of Bustamite is whereas that of Bornite is .