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Phlogopite
Phlogopite

Williamsite
Williamsite



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Phlogopite
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Williamsite

Phlogopite and Williamsite 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
 
-
-
-
2.51-2.63
Conchoidal
Perfect
4
(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Phlogopite and Williamsite Chemical Formula

While comparing Phlogopite and Williamsite 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 Williamsite chemical formula.

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Phlogopite and Williamsite Specific Gravity

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