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Phlogopite
Phlogopite

Purpurite
Purpurite



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Phlogopite
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Purpurite

Phlogopite and Purpurite 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
 
-
-
-
3.2-3.4
Uneven
[100] [001] perfect
4-4.5
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references

Phlogopite and Purpurite Chemical Formula

While comparing Phlogopite and Purpurite 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 Purpurite chemical formula.

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Phlogopite and Purpurite Specific Gravity

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