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Phlogopite
Phlogopite

Tanzanite
Tanzanite



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Phlogopite
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Tanzanite

Phlogopite and Tanzanite Physical Properties

Physical Properties

Tenacity

Tough
-

Solubility

-
-

Durability

-
Hard

Specific Gravity

2.78-2.853.35
1 7.18
👆🏻

Fracture

Uneven
Uneven, Conchoidal

Cleavage

Perfect basal (001)
Perfect {010}, imperfect {100}

Mohs Hardness

2-2.56.5-7
2 10
👆🏻

Chemical Composition

KMg3(Si3Al)O10(F,OH)2
Ca2Al3(SiO4)3(OH)

Phlogopite and Tanzanite Chemical Formula

While comparing Phlogopite and Tanzanite 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 Tanzanite chemical formula.

  • Chemical formula of Phlogopite- KMg3(Si3Al)O10(F,OH)2
  • Chemical formula of Tanzanite- Ca2Al3(SiO4)3(OH)

Phlogopite and Tanzanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Tanzanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Tanzanite Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 3.35 whereas that of Tanzanite is 3.35.