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Phlogopite
Phlogopite

Augite
Augite



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Phlogopite
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Augite

Phlogopite and Augite Physical Properties

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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
 
-
-
-
3.19-3.56
Uneven, Conchoidal
{110} Perfect, {010} Indistinct
5.5-6
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

Phlogopite and Augite Chemical Formula

While comparing Phlogopite and Augite 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 Augite chemical formula.

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Phlogopite and Augite Specific Gravity

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