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Kainite
Kainite

Ettringite
Ettringite



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Kainite
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Ettringite

Kainite and Ettringite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Soluble
-
2.15
Splintery, Conchoidal
{001}, perfect
2.5-3
KMg(SO4)Cl
 
-
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)

Kainite and Ettringite Chemical Formula

While comparing Kainite 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 Kainite and Ettringite chemical formula.

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Kainite and Ettringite Specific Gravity

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