Turquoise and Hematite Physical Properties

Turquoise

Hematite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.30-2.905.00-5.30

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

Good to perfect_usually N/A

None, may show partings on {0001} and {10 1 1}

1.7 Mohs Hardness

5-66

2 10

1.8 Chemical Composition

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

Fe 2O 3Arthur Thomas , Gemstones (2009)

Turquoise and Hematite Chemical Formula

While comparing Turquoise and Hematite 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 Hematite chemical formula.

Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O
Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

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Turquoise and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Turquoise and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Turquoise and Hematite Optical Properties during the identification of gemstone. Specific gravity of Turquoise is 5.00-5.30 whereas that of Hematite is 5.00-5.30.