Chlorastrolite and Pearl Physical Properties

Chlorastrolite

Pearl

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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

3.1-3.52.60-2.85

1 7.18

1.5 Fracture

Granular

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Not Available

none

1.7 Mohs Hardness

5-62.5-4.5

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)

Not Available

Chlorastrolite and Pearl Chemical Formula

While comparing Chlorastrolite and Pearl 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 Pearl 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)

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Chlorastrolite Vs Chrysotile

Chlorastrolite and Pearl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chlorastrolite and Pearl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chlorastrolite and Pearl Optical Properties during the identification of gemstone. Specific gravity of Chlorastrolite is 2.60-2.85 whereas that of Pearl is 2.60-2.85.