Chlorastrolite and Boulder Opal Physical Properties

Chlorastrolite

Boulder Opal

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.1-3.5

Granular

None

5-6

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

1.98-2.25

Conchoidal

None

5-6.5

SiO 2 + H 2OUlrich Henn and Claudio C.

Chlorastrolite and Boulder Opal Chemical Formula

While comparing Chlorastrolite and Boulder Opal 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 Boulder Opal chemical formula.

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Chlorastrolite and Boulder Opal Specific Gravity

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