Rutile and Apophyllite Physical Properties

Rutile

Apophyllite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Insoluble in acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.20-4.302.30-2.50

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

Perfect on (001)

1.7 Mohs Hardness

6-6.54.5-5

2 10

1.8 Chemical Composition

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

KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

Rutile and Apophyllite Chemical Formula

While comparing Rutile and Apophyllite 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 Apophyllite chemical formula.

Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.

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Rutile and Apophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rutile and Apophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rutile and Apophyllite Optical Properties during the identification of gemstone. Specific gravity of Rutile is 2.30-2.50 whereas that of Apophyllite is 2.30-2.50.