Leucophanite and Bustamite Physical Properties

Leucophanite

Bustamite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Partly soluble in HCl.

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.32-3.43

1 7.18

1.5 Fracture

Brittle, Metallic

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

1.6 Cleavage

{???} Good, {???} Good, {???} Distinct

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

1.7 Mohs Hardness

Not Available5.5-6

2 10

1.8 Chemical Composition

Not Available

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

Leucophanite and Bustamite Chemical Formula

While comparing Leucophanite 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 Leucophanite and Bustamite chemical formula.

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

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Leucophanite and Bustamite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Leucophanite and Bustamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Leucophanite and Bustamite Optical Properties during the identification of gemstone. Specific gravity of Leucophanite is 3.32-3.43 whereas that of Bustamite is 3.32-3.43.