Pollucite and Rutile Physical Properties

Pollucite

Rutile

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Physical Properties

Tenacity

Brittle

Solubility

Readily soluble in HF

Insoluble in acids

Durability

Specific Gravity

2.86-2.944.20-4.30

1 7.18

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Fracture

Conchoidal, Uneven

Uneven, Conchoidal

Cleavage

None observed

{110} good, 100 moderate, parting on {092} and {011}

Mohs Hardness

6.5-76-6.5

2 10

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Chemical Composition

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

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Pollucite and Rutile Chemical Formula

While comparing Pollucite and Rutile 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 Rutile 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 Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare White Gemstones

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Pollucite Vs Witherite

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Pollucite and Rutile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pollucite and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pollucite and Rutile Optical Properties during the identification of gemstone. Specific gravity of Pollucite is 4.20-4.30 whereas that of Rutile is 4.20-4.30.