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Bustamite
Bustamite

Cordierite Iolite
Cordierite Iolite



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Bustamite
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Cordierite Iolite

Bustamite and Cordierite Iolite 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
 
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-
-
2.56-2.66
Uneven, ConchoidalWalter Schumann
Distinct
7-7.5
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.

Bustamite and Cordierite Iolite Chemical Formula

While comparing Bustamite and Cordierite Iolite 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 Cordierite Iolite chemical formula.

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Bustamite and Cordierite Iolite Specific Gravity

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