Pyrophyllite and Ceylonite Physical Properties

Pyrophyllite

Ceylonite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

none

1.4 Durability

Not Available

2.2 Specific Gravity

2.65-2.903.63-3.9

1 7.18

2.6 Fracture

Gemstones (2009), Flexible Flexible fragments.

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

2.7 Cleavage

{001} Perfect

Indistinct

2.8 Mohs Hardness

Not Available7.5-8

2 10

2.9 Chemical Composition

Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Pyrophyllite and Ceylonite Chemical Formula

While comparing Pyrophyllite 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 Pyrophyllite and Ceylonite chemical formula.

Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Ceylonite- (Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

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Pyrophyllite and Ceylonite Specific Gravity

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