Apophyllite KF and Ceylonite Physical Properties

Apophyllite KF

Ceylonite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

none

1.3 Durability

Not Available

1.4 Specific Gravity

2.33-2.373.63-3.9

1 7.18

1.5 Fracture

Uneven, Brittle, Uneven, Brittle, Uneven

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on {001}, imperfect on {110}

Indistinct

1.7 Mohs Hardness

4.5-57.5-8

2 10

1.8 Chemical Composition

(K,Na)Ca4Si8O20(F,OH)•8(H2O)

(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

Apophyllite KF and Ceylonite Chemical Formula

While comparing Apophyllite KF and Ceylonite 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 Ceylonite chemical formula.

Chemical formula of Apophyllite KF- (K,Na)Ca4Si8O20(F,OH)•8(H2O)
Chemical formula of Ceylonite- (Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

Compare Green Gemstones

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Apophyllite KF and Ceylonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apophyllite KF and Ceylonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite KF and Ceylonite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite KF is 3.63-3.9 whereas that of Ceylonite is 3.63-3.9.