Ceylonite and Star Sapphire Physical Properties

Ceylonite

Star Sapphire

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

none

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.63-3.93.90-4.05

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Not Available

1.6 Cleavage

Indistinct

Not Available

1.7 Mohs Hardness

7.5-8Not Available

2 10

1.8 Chemical Composition

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

Al 2O 3Ulrich Henn and Claudio C.

Ceylonite and Star Sapphire Chemical Formula

While comparing Ceylonite and Star Sapphire 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 Ceylonite and Star Sapphire chemical formula.

Chemical formula of Ceylonite- (Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references
Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.

Compare Blue Gemstones

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Ceylonite and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ceylonite and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ceylonite and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Ceylonite is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.