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Dioptase
Dioptase

Phlogopite
Phlogopite



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Dioptase
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Phlogopite

Dioptase and Phlogopite Physical Properties

Physical Properties

Tenacity

Brittle
Tough

Solubility

Soluble
-

Durability

-
-

Specific Gravity

3.25-3.352.78-2.85
1 7.18
👆🏻

Fracture

Conchoidal, ConchoidalWalter Schumann
Uneven

Cleavage

Perfect in three directions
Perfect basal (001)

Mohs Hardness

52-2.5
2 10
👆🏻

Chemical Composition

CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
KMg3(Si3Al)O10(F,OH)2

Dioptase and Phlogopite Chemical Formula

While comparing Dioptase 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 Dioptase and Phlogopite chemical formula.

  • Chemical formula of Dioptase- CuSiO 2(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Phlogopite- KMg3(Si3Al)O10(F,OH)2

Dioptase and Phlogopite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dioptase and Phlogopite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dioptase and Phlogopite Optical Properties during the identification of gemstone. Specific gravity of Dioptase is 2.78-2.85 whereas that of Phlogopite is 2.78-2.85.