Brazilianite and Turquoise Physical Properties

Brazilianite

Turquoise

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.98-2.992.30-2.90

1 7.18

1.5 Fracture

Conchoidal, Gems

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

(010) Distinct to good

Good to perfect_usually N/A

1.7 Mohs Hardness

5.55-6

2 10

1.8 Chemical Composition

NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Brazilianite and Turquoise Chemical Formula

While comparing Brazilianite 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 Brazilianite and Turquoise chemical formula.

Chemical formula of Brazilianite- NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O

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Brazilianite and Turquoise Specific Gravity

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