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Langbeinite
Langbeinite

Ettringite
Ettringite



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Langbeinite
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Ettringite

Langbeinite and Ettringite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Slowly dissolves in water
-
-9999
Conchoidal
None
3.5-4
K2Mg2(SO4)3
 
-
Partially soluble in water
-
1.77
-
Perfect on {10 1 0}
2-2.5
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Langbeinite and Ettringite Chemical Formula

While comparing Langbeinite and Ettringite 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 Ettringite chemical formula.

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Langbeinite and Ettringite Specific Gravity

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