Helenite and Hematite Physical Properties

Helenite

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

Not Available5.00-5.30

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

Not Available

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

1.7 Mohs Hardness

Not Available6

2 10

1.8 Chemical Composition

Not Available

Fe 2O 3Arthur Thomas , Gemstones (2009)

Helenite and Hematite Chemical Formula

While comparing Helenite 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 Helenite and Hematite chemical formula.

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

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Helenite and Hematite Specific Gravity

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