Chlorastrolite and Chrysoberyl Physical Properties

Chlorastrolite

Chrysoberyl

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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

3.1-3.5

3.69-3.81

1.5 Fracture

Granular

Uneven, Conchoidal to uneven, Brittle, Metallic, Uneven, ConchoidalWalter Schumann, Brittle, Metallic

1.6 Cleavage

Not Available

Distinct on {110}, imperfect on {010}, poor on {001}

1.7 Mohs Hardness

5-6

8.5

1.8 Chemical Composition

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

BeAl ₂ O ₄

Chlorastrolite and Chrysoberyl Chemical Formula

While comparing Chlorastrolite and Chrysoberyl 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 Chrysoberyl 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 Chrysoberyl- BeAl ₂ O ₄

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Chlorastrolite and Chrysoberyl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chlorastrolite and Chrysoberyl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chlorastrolite and Chrysoberyl Optical Properties during the identification of gemstone. Specific gravity of Chlorastrolite is 3.69-3.81 whereas that of Chrysoberyl is 3.69-3.81.