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Microcline
Microcline

Polyhalite
Polyhalite



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Microcline
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Polyhalite

Microcline and Polyhalite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.55-2.63
Uneven
{001} Perfect, {010} Good
6-6.5
KAlSi 3O 8Arthur Thomas , Gemstones (2009)
 
Brittle
Soluble
-
2.78
Conchoidal
Perfect on {10 1 }; parting on {010}
3.5
K2Ca2Mg(SO4)4·2H2O

Microcline and Polyhalite Chemical Formula

While comparing Microcline 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 Microcline and Polyhalite chemical formula.

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Microcline and Polyhalite Specific Gravity

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