Anatase and Apophyllite KF Physical Properties

Anatase

Apophyllite KF

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.82-3.972.33-2.37

1 7.18

1.5 Fracture

Subconchoidal, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)

Uneven, Brittle, Uneven, Brittle, Uneven

1.6 Cleavage

Perfect on [001] and [011]

Perfect on {001}, imperfect on {110}

1.7 Mohs Hardness

5.5-64.5-5

2 10

1.8 Chemical Composition

TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

Anatase and Apophyllite KF Chemical Formula

While comparing Anatase and Apophyllite KF 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 Anatase and Apophyllite KF chemical formula.

Chemical formula of Anatase- TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)

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Anatase and Apophyllite KF Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anatase and Apophyllite KF Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anatase and Apophyllite KF Optical Properties during the identification of gemstone. Specific gravity of Anatase is 2.33-2.37 whereas that of Apophyllite KF is 2.33-2.37.