Chlorastrolite and Augite Physical Properties

Chlorastrolite

Augite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.1-3.53.19-3.56

1 7.18

1.5 Fracture

Granular

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Not Available

{110} Perfect, {010} Indistinct

1.7 Mohs Hardness

5-65.5-6

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)

(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

Chlorastrolite and Augite Chemical Formula

While comparing Chlorastrolite and Augite 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 Augite 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 Augite- (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

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Chlorastrolite and Augite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chlorastrolite and Augite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chlorastrolite and Augite Optical Properties during the identification of gemstone. Specific gravity of Chlorastrolite is 3.19-3.56 whereas that of Augite is 3.19-3.56.