Bustamite and Microlite Physical Properties

Bustamite

Microlite

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Physical Properties

Tenacity

Solubility

Partly soluble in HCl.

Durability

Specific Gravity

3.32-3.435.5

1 7.18

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Fracture

Conchoidal

Cleavage

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

{111} Indistinct, {111} Indistinct, {111} Indistinct

Mohs Hardness

5.5-65-5.5

2 10

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Chemical Composition

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

(Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Bustamite and Microlite Chemical Formula

While comparing Bustamite and Microlite 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 Microlite chemical formula.

Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Microlite- (Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Bustamite and Microlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bustamite and Microlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Microlite Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 5.5 whereas that of Microlite is 5.5.