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Gahnite
Gahnite

Langbeinite
Langbeinite



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Gahnite
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Langbeinite

Gahnite and Langbeinite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Slowly dissolves in water

Durability

-
-

Specific Gravity

4.00-4.62-9999
1 7.18
👆🏻

Fracture

Conchoidal, Uneven
Conchoidal

Cleavage

Indistinct parting on [111]
None

Mohs Hardness

7.5-83.5-4
2 10
👆🏻

Chemical Composition

ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)
K2Mg2(SO4)3

Gahnite and Langbeinite Chemical Formula

While comparing Gahnite 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 Gahnite and Langbeinite chemical formula.

  • Chemical formula of Gahnite- ZnAl 2O 4Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Langbeinite- K2Mg2(SO4)3

Gahnite and Langbeinite Specific Gravity

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