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Apophyllite
Apophyllite

Langbeinite
Langbeinite



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Apophyllite
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Langbeinite

Apophyllite and Langbeinite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Slowly dissolves in water

Durability

-
-

Specific Gravity

2.30-2.50-9999
1 7.18
👆🏻

Fracture

Uneven
Conchoidal

Cleavage

Perfect on (001)
None

Mohs Hardness

4.5-53.5-4
2 10
👆🏻

Chemical Composition

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
K2Mg2(SO4)3

Apophyllite and Langbeinite Chemical Formula

While comparing Apophyllite 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 Apophyllite and Langbeinite chemical formula.

  • Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
  • Chemical formula of Langbeinite- K2Mg2(SO4)3

Apophyllite and Langbeinite Specific Gravity

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