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Nuummite
Nuummite

Bustamite
Bustamite



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Nuummite
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Bustamite

Nuummite and Bustamite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.18-3.37
Conchoidal
Perfect on 210
5.5-6
Na(Fe,Mg)7(AlSi7O22)(OH)2
 
-
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

Nuummite and Bustamite Chemical Formula

While comparing Nuummite 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 Nuummite and Bustamite chemical formula.

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Nuummite and Bustamite Specific Gravity

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