Ekanite and Poudretteite Physical Properties

Ekanite

Poudretteite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.28-3.322.51-2.53

1 7.18

1.5 Fracture

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

Conchoidal, Splintery

1.6 Cleavage

{101} Distinct

None

1.7 Mohs Hardness

6-6.55

2 10

1.8 Chemical Composition

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

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

Ekanite and Poudretteite Chemical Formula

While comparing Ekanite and Poudretteite 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 Poudretteite chemical formula.

Chemical formula of Ekanite- ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

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Ekanite and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ekanite and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ekanite and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Ekanite is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.