Andesine and Chlorastrolite Physical Properties

Andesine

Chlorastrolite

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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

2.65-2.693.1-3.5

1 7.18

1.5 Fracture

Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)

Granular

1.6 Cleavage

Perfect on {001}, good on {010}

Not Available

1.7 Mohs Hardness

6-6.55-6

2 10

1.8 Chemical Composition

(Na,Ca)Al_1-2Si_3-2O₈

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

Andesine and Chlorastrolite Chemical Formula

While comparing Andesine 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 Andesine and Chlorastrolite chemical formula.

Chemical formula of Andesine- (Na,Ca)Al_1-2Si_3-2O₈
Chemical formula of Chlorastrolite- Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)

Compare Red Gemstones

Andesine Vs Bloodstone Heliotrope

Andesine Vs Blue John

Andesine Vs Black Opal

Andesine and Chlorastrolite Specific Gravity

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