Rutile and Pollucite Physical Properties

Rutile

Pollucite

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Physical Properties

Tenacity

Brittle

Solubility

Insoluble in acids

Readily soluble in HF

Durability

Specific Gravity

4.20-4.302.86-2.94

1 7.18

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Fracture

Uneven, Conchoidal

Conchoidal, Uneven

Cleavage

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

None observed

Mohs Hardness

6-6.56.5-7

2 10

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Chemical Composition

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

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

Rutile and Pollucite Chemical Formula

While comparing Rutile and Pollucite 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 Rutile and Pollucite chemical formula.

Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Pollucite- (Cs,Na)(AlSi 2O 6) · 0.5H 2OWalter Schumann , Gemstones of the world (2001) More from other references

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Rutile and Pollucite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rutile and Pollucite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rutile and Pollucite Optical Properties during the identification of gemstone. Specific gravity of Rutile is 2.86-2.94 whereas that of Pollucite is 2.86-2.94.