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Seraphinite
Seraphinite

Polyhalite
Polyhalite



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Seraphinite
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Polyhalite

Seraphinite and Polyhalite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.60-3.02
-
Perfect
-9999
(Mg,Fe2+ ) 5Al(Si 3Al)O 10(OH) 8Anthony et al , Handbook of mineralogy (2001)
 
Brittle
Soluble
-
2.78
Conchoidal
Perfect on {10 1 }; parting on {010}
3.5
K2Ca2Mg(SO4)4·2H2O

Seraphinite and Polyhalite Chemical Formula

While comparing Seraphinite 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 Seraphinite and Polyhalite chemical formula.

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Seraphinite and Polyhalite Specific Gravity

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