Chlorastrolite and Hematite Physical Properties

Chlorastrolite

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

3.1-3.55.00-5.30

1 7.18

1.5 Fracture

Granular

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

5-66

2 10

1.8 Chemical Composition

Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)

Fe 2O 3Arthur Thomas , Gemstones (2009)

Chlorastrolite and Hematite Chemical Formula

While comparing Chlorastrolite 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 Chlorastrolite and Hematite chemical formula.

Chemical formula of Chlorastrolite- Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

Compare Green Gemstones

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Chlorastrolite Vs Chrysotile

Chlorastrolite and Hematite Specific Gravity

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