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Shattuckite
Shattuckite

Polyhalite
Polyhalite



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Shattuckite
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Polyhalite

Shattuckite and Polyhalite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.80-4.15
Uneven
perfect along [010] and [100]
3.5-4
Cu 5(SiO 3) 4(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
Brittle
Soluble
-
2.78
Conchoidal
Perfect on {10 1 }; parting on {010}
3.5
K2Ca2Mg(SO4)4·2H2O

Shattuckite and Polyhalite Chemical Formula

While comparing Shattuckite 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 Shattuckite and Polyhalite chemical formula.

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Shattuckite and Polyhalite Specific Gravity

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