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Piemontite
Piemontite

Chlorastrolite
Chlorastrolite



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Piemontite
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Chlorastrolite

Piemontite and Chlorastrolite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
-9999
Uneven, Splintery
[001] good, [100] distinct
6-6.5
Ca2Al3(SiO4)(Si2O7)O(OH)
 
-
-
-
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)

Piemontite and Chlorastrolite Chemical Formula

While comparing Piemontite 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 Piemontite and Chlorastrolite chemical formula.

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Piemontite and Chlorastrolite Specific Gravity

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