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Phlogopite
Phlogopite

Hyacinth
Hyacinth



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Phlogopite
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Hyacinth

Phlogopite and Hyacinth Physical Properties

Physical Properties

Tenacity

Tough
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.78-2.853.93-4.73
1 7.18
👆🏻

Fracture

Uneven
Conchoidal

Cleavage

Perfect basal (001)
Indiscernible

Mohs Hardness

2-2.56.5-7.5
2 10
👆🏻

Chemical Composition

KMg3(Si3Al)O10(F,OH)2
ZrSiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Phlogopite and Hyacinth Chemical Formula

While comparing Phlogopite and Hyacinth 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 Hyacinth chemical formula.

  • Chemical formula of Phlogopite- KMg3(Si3Al)O10(F,OH)2
  • Chemical formula of Hyacinth- ZrSiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Phlogopite and Hyacinth Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Hyacinth Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Hyacinth Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 3.93-4.73 whereas that of Hyacinth is 3.93-4.73.