Ceylonite and Common Opal Physical Properties

Ceylonite

Common 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

3.63-3.91.98-2.50

1 7.18

1.5 Fracture

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

Indistinct

Not Available

1.7 Mohs Hardness

7.5-85.5-6.5

2 10

1.8 Chemical Composition

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

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Ceylonite and Common Opal Chemical Formula

While comparing Ceylonite and Common 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 Common Opal chemical formula.

Chemical formula of Ceylonite- (Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references
Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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Ceylonite and Common Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ceylonite and Common Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ceylonite and Common Opal Optical Properties during the identification of gemstone. Specific gravity of Ceylonite is 1.98-2.50 whereas that of Common Opal is 1.98-2.50.