Sylvite and Hematite Physical Properties

Sylvite

Hematite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.9935.00-5.30

1 7.18

1.5 Fracture

Uneven, Brittle

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

1.6 Cleavage

Perfect on [100], [010], [001]

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

1.7 Mohs Hardness

2.56

2 10

1.8 Chemical Composition

Not Available

Fe 2O 3Arthur Thomas , Gemstones (2009)

Sylvite and Hematite Chemical Formula

While comparing Sylvite 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 Sylvite and Hematite chemical formula.

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

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Sylvite and Hematite Specific Gravity

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