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Phlogopite
Phlogopite

Dioptase
Dioptase



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Phlogopite
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Dioptase

Phlogopite and Dioptase 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
 
Brittle
Soluble
-
3.25-3.35
Conchoidal, ConchoidalWalter Schumann
Perfect in three directions
5
CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Phlogopite and Dioptase Chemical Formula

While comparing Phlogopite and Dioptase 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 Dioptase chemical formula.

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Phlogopite and Dioptase Specific Gravity

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