Iolite and Ceylonite Physical Properties

Iolite

Ceylonite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

none

1.3 Durability

Not Available

1.4 Specific Gravity

2.6-2.73.63-3.9

1 7.18

1.5 Fracture

Not Available

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

3,1

Indistinct

1.7 Mohs Hardness

7-7.57.5-8

2 10

1.8 Chemical Composition

Mg₂Al₄Si₅O₁₈

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

Iolite and Ceylonite Chemical Formula

While comparing Iolite 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 Iolite and Ceylonite chemical formula.

Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈
Chemical formula of Ceylonite- (Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

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Iolite and Ceylonite Specific Gravity

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