Bustamite and Cryolite Physical Properties

Bustamite

Cryolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Partly soluble in HCl.

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.32-3.432.97

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Uneven

1.6 Cleavage

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

None observed

1.7 Mohs Hardness

5.5-62.5

2 10

1.8 Chemical Composition

(Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Na 3AlF 6Ulrich Henn and Claudio C.

Bustamite and Cryolite Chemical Formula

While comparing Bustamite and Cryolite 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 Cryolite chemical formula.

Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

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Bustamite and Cryolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bustamite and Cryolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Cryolite Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 2.97 whereas that of Cryolite is 2.97.