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Phlogopite
Phlogopite

Pumpellyite
Pumpellyite



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Phlogopite
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Pumpellyite

Phlogopite and Pumpellyite 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
 
-
-
-
3.20-3.30
-
Perfect
5-6
Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.

Phlogopite and Pumpellyite Chemical Formula

While comparing Phlogopite and Pumpellyite 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 Pumpellyite chemical formula.

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Phlogopite and Pumpellyite Specific Gravity

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