Almandine Garnet and Hematite Physical Properties

Almandine Garnet

Hematite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.35.00-5.30

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

None.

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

1.7 Mohs Hardness

7.5-8.56

2 10

1.8 Chemical Composition

Fe₃Al₂Si₃O₁₂

Fe 2O 3Arthur Thomas , Gemstones (2009)

Almandine Garnet and Hematite Chemical Formula

While comparing Almandine Garnet 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 Almandine Garnet and Hematite chemical formula.

Chemical formula of Almandine Garnet- Fe₃Al₂Si₃O₁₂
Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

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Almandine Garnet and Hematite Specific Gravity

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