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Purpurite
Purpurite

Langbeinite
Langbeinite



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Purpurite
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Langbeinite

Purpurite and Langbeinite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.2-3.4
Uneven
[100] [001] perfect
4-4.5
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
 
Brittle
Slowly dissolves in water
-
-9999
Conchoidal
None
3.5-4
K2Mg2(SO4)3

Purpurite and Langbeinite Chemical Formula

While comparing Purpurite 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 Purpurite and Langbeinite chemical formula.

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Purpurite and Langbeinite Specific Gravity

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