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Pargasite
Pargasite

Phlogopite
Phlogopite



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Pargasite
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Phlogopite

Pargasite and Phlogopite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.04-3.26
Splintery, Uneven
{110} perfect
5-6
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
 
Tough
-
-
2.78-2.85
Uneven
Perfect basal (001)
2-2.5
KMg3(Si3Al)O10(F,OH)2

Pargasite and Phlogopite Chemical Formula

While comparing Pargasite and Phlogopite 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 Pargasite and Phlogopite chemical formula.

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Pargasite and Phlogopite Specific Gravity

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