Onyx and Ceylonite Physical Properties

Onyx

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

2.55-2.703.63-3.9

1 7.18

1.5 Fracture

Not Available

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Indiscernible

Indistinct

1.7 Mohs Hardness

6.5-77.5-8

2 10

1.8 Chemical Composition

SiO₂

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

Onyx and Ceylonite Chemical Formula

While comparing Onyx 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 Onyx and Ceylonite chemical formula.

Chemical formula of Onyx- SiO₂
Chemical formula of Ceylonite- (Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references

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Onyx and Ceylonite Specific Gravity

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