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Bustamite
Bustamite

Shigaite
Shigaite



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Bustamite
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Shigaite

Bustamite and Shigaite Physical Properties

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
 
Moderately flexible
-
-
2.32
-
Perfect on {0001}
2
Pb6Cu3BiS4

Bustamite and Shigaite Chemical Formula

While comparing Bustamite and Shigaite 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 Shigaite chemical formula.

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Bustamite and Shigaite Specific Gravity

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