Turquoise and Bustamite Physical Properties

Turquoise

Bustamite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Partly soluble in HCl.

1.3 Durability

Not Available

1.4 Specific Gravity

2.30-2.903.32-3.43

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

Good to perfect_usually N/A

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

1.7 Mohs Hardness

5-65.5-6

2 10

1.8 Chemical Composition

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

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

Turquoise and Bustamite Chemical Formula

While comparing Turquoise 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 Turquoise and Bustamite chemical formula.

Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O
Chemical formula of Bustamite- (Ca,Mn2+ )Si 3O 9Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Turquoise and Bustamite Specific Gravity

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