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Phlogopite
Phlogopite

Omphacite
Omphacite



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Phlogopite
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Omphacite

Phlogopite and Omphacite 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
 
-
-
-
3.16-3.43
Uneven, Conchoidal
{110} Good, {110} Good
5-6
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

Phlogopite and Omphacite Chemical Formula

While comparing Phlogopite and Omphacite 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 Omphacite chemical formula.

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Phlogopite and Omphacite Specific Gravity

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