Apophyllite and Rutile Physical Properties

Apophyllite

Rutile

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Insoluble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.30-2.504.20-4.30

1 7.18

1.5 Fracture

Uneven, UnevenArthur Thomas, Gemstones (2009)

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on (001)

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

1.7 Mohs Hardness

4.5-56-6.5

2 10

1.8 Chemical Composition

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

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

Apophyllite and Rutile Chemical Formula

While comparing Apophyllite 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 Apophyllite and Rutile chemical formula.

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

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Apophyllite and Rutile Specific Gravity

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