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Precious Opal
Precious Opal

Chlorastrolite
Chlorastrolite



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Precious Opal
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Chlorastrolite

Precious Opal and Chlorastrolite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 · nH 2OGemdat.org , Management Team (2012)
 
-
-
-
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)

Precious Opal and Chlorastrolite Chemical Formula

While comparing Precious Opal 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 Precious Opal and Chlorastrolite chemical formula.

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Precious Opal and Chlorastrolite Specific Gravity

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