Ceylonite and Black Opal Physical Properties

Ceylonite

Black Opal

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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

3.63-3.9

1.97-2.22

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Indistinct

Not Available

1.7 Mohs Hardness

7.5-8

6-6.5

1.8 Chemical Composition

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

SiO 2 + H 2OUlrich Henn and Claudio C.

Ceylonite and Black Opal Chemical Formula

While comparing Ceylonite and Black Opal 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 Black Opal chemical formula.

Chemical formula of Ceylonite- (Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references
Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

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Ceylonite and Black Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ceylonite and Black Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ceylonite and Black Opal Optical Properties during the identification of gemstone. Specific gravity of Ceylonite is 1.97-2.22 whereas that of Black Opal is 1.97-2.22.