Apophyllite KF and Rutile Physical Properties

Apophyllite KF

Rutile

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Insoluble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.33-2.374.20-4.30

1 7.18

1.5 Fracture

Uneven, Brittle, Uneven, Brittle, Uneven

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on {001}, imperfect on {110}

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

1.7 Mohs Hardness

4.5-56-6.5

2 10

1.8 Chemical Composition

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

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

Apophyllite KF and Rutile Chemical Formula

While comparing Apophyllite KF 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 KF and Rutile chemical formula.

Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)
Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

Apophyllite KF Vs Langbeinite

Apophyllite KF Vs Nepouite

Apophyllite KF Vs Hauyne

Apophyllite KF and Rutile Specific Gravity

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