Shattuckite and Bustamite Physical Properties

Shattuckite

Bustamite

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Physical Properties

Tenacity

Solubility

Partly soluble in HCl.

Durability

Specific Gravity

3.80-4.153.32-3.43

1 7.18

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Fracture

Uneven

Conchoidal

Cleavage

perfect along [010] and [100]

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

Mohs Hardness

3.5-45.5-6

2 10

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Chemical Composition

Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Shattuckite and Bustamite Chemical Formula

While comparing Shattuckite 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 Shattuckite and Bustamite chemical formula.

Chemical formula of Shattuckite- Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Shattuckite and Bustamite Specific Gravity

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