Neptunite and Ceylonite Physical Properties

Neptunite

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

3.19-3.233.63-3.9

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{110} good

Indistinct

1.7 Mohs Hardness

5-67.5-8

2 10

1.8 Chemical Composition

KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Neptunite and Ceylonite Chemical Formula

While comparing Neptunite 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 Neptunite and Ceylonite chemical formula.

Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Ceylonite- (Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

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Neptunite and Ceylonite Specific Gravity

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