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Langbeinite
Langbeinite

Lazulite
Lazulite



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Langbeinite
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Lazulite

Langbeinite and Lazulite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

Slowly dissolves in water
-

Durability

-
-

Specific Gravity

-99993.04-3.17
1 7.18
👆🏻

Fracture

Conchoidal
Uneven

Cleavage

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

Mohs Hardness

3.5-45.5
2 10
👆🏻

Chemical Composition

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

Langbeinite and Lazulite Chemical Formula

While comparing Langbeinite and Lazulite 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 Langbeinite and Lazulite chemical formula.

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

Langbeinite and Lazulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Langbeinite and Lazulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Langbeinite and Lazulite Optical Properties during the identification of gemstone. Specific gravity of Langbeinite is 3.04-3.17 whereas that of Lazulite is 3.04-3.17.