Tanzanite and Hematite Physical Properties

Tanzanite

Hematite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Hard

Not Available

1.4 Specific Gravity

3.35

5.00-5.30

1.5 Fracture

Uneven, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

Perfect {010}, imperfect {100}

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

1.7 Mohs Hardness

6.5-7

1.8 Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

Fe 2O 3Arthur Thomas , Gemstones (2009)

Tanzanite and Hematite Chemical Formula

While comparing Tanzanite 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 Tanzanite and Hematite chemical formula.

Chemical formula of Tanzanite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

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Tanzanite and Hematite Specific Gravity

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