Polyhalite and Ekanite Physical Properties

Polyhalite

Ekanite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.783.28-3.32

1 7.18

1.5 Fracture

Conchoidal, Brittle

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

1.6 Cleavage

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

{101} Distinct

1.7 Mohs Hardness

3.56-6.5

2 10

1.8 Chemical Composition

Not Available

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

Polyhalite and Ekanite Chemical Formula

While comparing Polyhalite and Ekanite 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 Polyhalite and Ekanite chemical formula.

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

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Polyhalite and Ekanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Ekanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Ekanite Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 3.28-3.32 whereas that of Ekanite is 3.28-3.32.