Hematite and Apophyllite Physical Properties

Hematite

Apophyllite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.00-5.302.30-2.50

1 7.18

1.5 Fracture

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

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Perfect on (001)

1.7 Mohs Hardness

64.5-5

2 10

1.8 Chemical Composition

Fe 2O 3Arthur Thomas , Gemstones (2009)

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Hematite and Apophyllite Chemical Formula

While comparing Hematite and Apophyllite 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 Apophyllite chemical formula.

Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)
Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

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Hematite and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hematite and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hematite and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Hematite is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.