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Langbeinite
Langbeinite

Phlogopite
Phlogopite



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Langbeinite
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Phlogopite

Langbeinite and Phlogopite Physical Properties

Physical Properties

Tenacity

Brittle
Tough

Solubility

Slowly dissolves in water
-

Durability

-
-

Specific Gravity

-99992.78-2.85
1 7.18
👆🏻

Fracture

Conchoidal
Uneven

Cleavage

None
Perfect basal (001)

Mohs Hardness

3.5-42-2.5
2 10
👆🏻

Chemical Composition

K2Mg2(SO4)3
KMg3(Si3Al)O10(F,OH)2

Langbeinite and Phlogopite Chemical Formula

While comparing Langbeinite 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 Langbeinite and Phlogopite chemical formula.

  • Chemical formula of Langbeinite- K2Mg2(SO4)3
  • Chemical formula of Phlogopite- KMg3(Si3Al)O10(F,OH)2

Langbeinite and Phlogopite Specific Gravity

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