Chlorastrolite and Powellite Physical Properties

Chlorastrolite

Powellite

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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

3.1-3.54.23

1 7.18

1.5 Fracture

Granular

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

1.6 Cleavage

Not Available

{111} Distinct

1.7 Mohs Hardness

5-63.5-4

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)

CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Chlorastrolite and Powellite Chemical Formula

While comparing Chlorastrolite and Powellite 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 Powellite 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 Powellite- CaMoO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

Chlorastrolite Vs Chrysoprase

Chlorastrolite Vs Clinochlore

Chlorastrolite Vs Chrysotile

Chlorastrolite and Powellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chlorastrolite and Powellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chlorastrolite and Powellite Optical Properties during the identification of gemstone. Specific gravity of Chlorastrolite is 4.23 whereas that of Powellite is 4.23.