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Phlogopite
Phlogopite

Hollandite
Hollandite



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Phlogopite
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Hollandite

Phlogopite and Hollandite 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
 
-
-
-
5.05
-
Distinct / Good, Prismatic
4-6
Ba(Mn++++,Mn++)8O16

Phlogopite and Hollandite Chemical Formula

While comparing Phlogopite and Hollandite 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 Hollandite chemical formula.

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Phlogopite and Hollandite Specific Gravity

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