Pollucite and Ekanite Physical Properties

Pollucite

Ekanite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Readily soluble in HF

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.86-2.943.28-3.32

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

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

1.6 Cleavage

None observed

{101} Distinct

1.7 Mohs Hardness

6.5-76-6.5

2 10

1.8 Chemical Composition

(Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

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

Pollucite and Ekanite Chemical Formula

While comparing Pollucite 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 Pollucite and Ekanite chemical formula.

Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Ekanite- ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references

Compare White Gemstones

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Pollucite and Ekanite Specific Gravity

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