Afghanite and Chlorastrolite Physical Properties

Afghanite

Chlorastrolite

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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

2.55-2.653.1-3.5

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle

Granular

1.6 Cleavage

Perfect {10 1 0}

Not Available

1.7 Mohs Hardness

5.5-65-6

2 10

1.8 Chemical Composition

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

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

Afghanite and Chlorastrolite Chemical Formula

While comparing Afghanite and Chlorastrolite 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 Afghanite and Chlorastrolite chemical formula.

Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Chemical formula of Chlorastrolite- Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)

Compare Blue Gemstones

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Afghanite Vs Kainite

Afghanite and Chlorastrolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Afghanite and Chlorastrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite and Chlorastrolite Optical Properties during the identification of gemstone. Specific gravity of Afghanite is 3.1-3.5 whereas that of Chlorastrolite is 3.1-3.5.