Bustamite and Tremolite Physical Properties

Bustamite

Tremolite

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Physical Properties

Tenacity

Brittle

Solubility

Partly soluble in HCl.

Durability

Specific Gravity

3.32-3.432.95-3.07

1 7.18

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Fracture

Conchoidal

Cleavage

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

Perfect on {110} at 56° and 124°; partings on {010} and {100}

Mohs Hardness

5.5-65-6

2 10

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Chemical Composition

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

Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

Bustamite and Tremolite Chemical Formula

While comparing Bustamite and Tremolite 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 Tremolite chemical formula.

Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Tremolite- Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.

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Bustamite and Tremolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bustamite and Tremolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Tremolite Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 2.95-3.07 whereas that of Tremolite is 2.95-3.07.