Bustamite and Turquoise Physical Properties

Bustamite

Turquoise

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Partly soluble in HCl.

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.32-3.432.30-2.90

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

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

Good to perfect_usually N/A

1.7 Mohs Hardness

5.5-65-6

2 10

1.8 Chemical Composition

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

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Bustamite and Turquoise Chemical Formula

While comparing Bustamite and Turquoise 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 Turquoise chemical formula.

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

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Bustamite and Turquoise Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bustamite and Turquoise Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bustamite and Turquoise Optical Properties during the identification of gemstone. Specific gravity of Bustamite is 2.30-2.90 whereas that of Turquoise is 2.30-2.90.