Ekanite and Polyhalite Physical Properties

Ekanite

Polyhalite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.28-3.322.78

1 7.18

1.5 Fracture

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

Conchoidal, Brittle

1.6 Cleavage

{101} Distinct

Perfect on {10 1 }; parting on {010}

1.7 Mohs Hardness

6-6.53.5

2 10

1.8 Chemical Composition

ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references

Not Available

Ekanite and Polyhalite Chemical Formula

While comparing Ekanite 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 Ekanite and Polyhalite chemical formula.

Chemical formula of Ekanite- ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references

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Ekanite and Polyhalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ekanite and Polyhalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ekanite and Polyhalite Optical Properties during the identification of gemstone. Specific gravity of Ekanite is 2.78 whereas that of Polyhalite is 2.78.