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Lazulite
Lazulite

Langbeinite
Langbeinite



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Lazulite
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Langbeinite

Lazulite and Langbeinite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Slowly dissolves in water

Durability

-
-

Specific Gravity

3.04-3.17-9999
1 7.18
👆🏻

Fracture

Uneven
Conchoidal

Cleavage

{001} Indistinct, {???} Indistinct
None

Mohs Hardness

5.53.5-4
2 10
👆🏻

Chemical Composition

(Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
K2Mg2(SO4)3

Lazulite and Langbeinite Chemical Formula

While comparing Lazulite 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 Lazulite and Langbeinite chemical formula.

  • Chemical formula of Lazulite- (Mg,Fe)Al 2(PO 4) 2(OH) 2Arthur Thomas , Gemstones (2009) More from other references
  • Chemical formula of Langbeinite- K2Mg2(SO4)3

Lazulite and Langbeinite Specific Gravity

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