Mottramite and Hematite Physical Properties

Mottramite

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

5.9

5.00-5.30

1.5 Fracture

Sub-Conchoidal, Brittle, Metallic

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

1.6 Cleavage

None observed

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

1.7 Mohs Hardness

1.8 Chemical Composition

Not Available

Fe 2O 3Arthur Thomas , Gemstones (2009)

Mottramite and Hematite Chemical Formula

While comparing Mottramite 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 Mottramite and Hematite chemical formula.

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

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Mottramite and Hematite Specific Gravity

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