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Poudretteite
Poudretteite

Langbeinite
Langbeinite



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Poudretteite
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Langbeinite

Poudretteite and Langbeinite Physical Properties

Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
Slowly dissolves in water

Durability

-
-

Specific Gravity

2.51-2.53-9999
1 7.18
👆🏻

Fracture

Conchoidal, Splintery
Conchoidal

Cleavage

None
None

Mohs Hardness

53.5-4
2 10
👆🏻

Chemical Composition

KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)
K2Mg2(SO4)3

Poudretteite and Langbeinite Chemical Formula

While comparing Poudretteite and Langbeinite 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 Poudretteite and Langbeinite chemical formula.

  • Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Langbeinite- K2Mg2(SO4)3

Poudretteite and Langbeinite Specific Gravity

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