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Gahnite
Gahnite

Phlogopite
Phlogopite



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Gahnite
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Phlogopite

Gahnite and Phlogopite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.00-4.62
Conchoidal, Uneven
Indistinct parting on [111]
7.5-8
ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)
 
Tough
-
-
2.78-2.85
Uneven
Perfect basal (001)
2-2.5
KMg3(Si3Al)O10(F,OH)2

Gahnite and Phlogopite Chemical Formula

While comparing Gahnite 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 Gahnite and Phlogopite chemical formula.

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Gahnite and Phlogopite Specific Gravity

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