Chlorastrolite and Fayalite Physical Properties

Chlorastrolite

Fayalite

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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

3.1-3.54.392

1 7.18

1.5 Fracture

Granular

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

1.6 Cleavage

Not Available

{010} moderate, {100} imperfect

1.7 Mohs Hardness

5-66.5-7

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 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Chlorastrolite and Fayalite Chemical Formula

While comparing Chlorastrolite and Fayalite 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 Fayalite 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 Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

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Chlorastrolite and Fayalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chlorastrolite and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chlorastrolite and Fayalite Optical Properties during the identification of gemstone. Specific gravity of Chlorastrolite is 4.392 whereas that of Fayalite is 4.392.