Emerald and Hematite Physical Properties

Emerald

Hematite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Hard

Specific Gravity

2.67-2.785.00-5.30

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Uneven, ConchoidalWalter Schumann, Conchoidal

Cleavage

Imperfect on the [0001]

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

Mohs Hardness

7.5-86

2 10

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Chemical Composition

Be₃Al₂SiO₆

Fe 2O 3Arthur Thomas , Gemstones (2009)

Emerald and Hematite Chemical Formula

While comparing Emerald 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 Emerald and Hematite chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆
Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

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Emerald and Hematite Specific Gravity

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