Hematite and Tanzanite Physical Properties

Hematite

Tanzanite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

Hard

1.4 Specific Gravity

5.00-5.303.35

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

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

Perfect {010}, imperfect {100}

1.7 Mohs Hardness

66.5-7

2 10

1.8 Chemical Composition

Fe 2O 3Arthur Thomas , Gemstones (2009)

Ca₂Al₃(SiO₄)₃(OH)

Hematite and Tanzanite Chemical Formula

While comparing Hematite and Tanzanite 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 Hematite and Tanzanite chemical formula.

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

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Hematite and Tanzanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hematite and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hematite and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Hematite is 3.35 whereas that of Tanzanite is 3.35.