Zinnwaldite and Hematite Physical Properties

Zinnwaldite

Hematite

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1 Physical Properties

1.1 Tenacity

Elastic

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.9-3.15.00-5.30

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

Perfect basal {001}

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

1.7 Mohs Hardness

3.5-4.06

2 10

1.8 Chemical Composition

Not Available

Fe 2O 3Arthur Thomas , Gemstones (2009)

Zinnwaldite and Hematite Chemical Formula

While comparing Zinnwaldite 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 Zinnwaldite and Hematite chemical formula.

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

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Zinnwaldite and Hematite Specific Gravity

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