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Scolecite
Scolecite

Polyhalite
Polyhalite



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Scolecite
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Polyhalite

Scolecite and Polyhalite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Soluble
-
2.20-2.23
Irregular/uneven, Uneven
Perfect on {110} and {1 1 0}
5-5.5
CaAl 2Si 3O 10 · 3H 2OUlrich Henn and Claudio C.
 
Brittle
Soluble
-
2.78
Conchoidal
Perfect on {10 1 }; parting on {010}
3.5
K2Ca2Mg(SO4)4·2H2O

Scolecite and Polyhalite Chemical Formula

While comparing Scolecite and Polyhalite 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 Scolecite and Polyhalite chemical formula.

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Scolecite and Polyhalite Specific Gravity

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