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Phlogopite
Phlogopite

Chlorastrolite
Chlorastrolite



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Phlogopite
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Chlorastrolite

Phlogopite and Chlorastrolite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Tough
-
-
2.78-2.85
Uneven
Perfect basal (001)
2-2.5
KMg3(Si3Al)O10(F,OH)2
 
-
-
-
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)

Phlogopite and Chlorastrolite Chemical Formula

While comparing Phlogopite 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 Phlogopite and Chlorastrolite chemical formula.

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Phlogopite and Chlorastrolite Specific Gravity

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