Hematite and Piemontite Physical Properties

Hematite

Piemontite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.00-5.30Not Available

1 7.18

1.5 Fracture

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

Uneven, Splintery

1.6 Cleavage

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

[001] good, [100] distinct

1.7 Mohs Hardness

66-6.5

2 10

1.8 Chemical Composition

Fe 2O 3Arthur Thomas , Gemstones (2009)

Not Available

Hematite and Piemontite Chemical Formula

While comparing Hematite and Piemontite 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 Hematite and Piemontite chemical formula.

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

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Hematite and Piemontite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hematite and Piemontite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hematite and Piemontite Optical Properties during the identification of gemstone. Specific gravity of Hematite is Not Available whereas that of Piemontite is Not Available.