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Colemanite
Colemanite

Langbeinite
Langbeinite



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Colemanite
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Langbeinite

Colemanite and Langbeinite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Slowly dissolves in water

Durability

-
-

Specific Gravity

2.40-2.42-9999
1 7.18
👆🏻

Fracture

-
Conchoidal

Cleavage

{010} Perfect, {001} Distinct
None

Mohs Hardness

4.53.5-4
2 10
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Chemical Composition

Ca 2B 6O 11 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
K2Mg2(SO4)3

Colemanite and Langbeinite Chemical Formula

While comparing Colemanite 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 Colemanite and Langbeinite chemical formula.

  • Chemical formula of Colemanite- Ca 2B 6O 11 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Langbeinite- K2Mg2(SO4)3

Colemanite and Langbeinite Specific Gravity

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