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Chlorastrolite
Chlorastrolite
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Povondraite
Povondraite
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Chlorastrolite
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Povondraite

Chlorastrolite and Povondraite Physical Properties

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)
 
-
-
-
3.26
Uneven
None
-9999
NaFe3+3Fe3+6(BO 3) 3Si 6O 18(O,OH) 4Anthony et al , Handbook of Mineralogy (2001)

Chlorastrolite and Povondraite Chemical Formula

While comparing Chlorastrolite and Povondraite 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 Povondraite chemical formula.

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Chlorastrolite and Povondraite Specific Gravity

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