Onyx and Serendibite Physical Properties

Onyx

Serendibite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.703.43-3.44

1 7.18

1.5 Fracture

Not Available

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Indiscernible

None Observed

1.7 Mohs Hardness

6.5-76.5-7

2 10

1.8 Chemical Composition

SiO₂

Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Onyx and Serendibite Chemical Formula

While comparing Onyx and Serendibite 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 Serendibite chemical formula.

Chemical formula of Onyx- SiO₂
Chemical formula of Serendibite- Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Onyx and Serendibite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Onyx and Serendibite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Onyx and Serendibite Optical Properties during the identification of gemstone. Specific gravity of Onyx is 3.43-3.44 whereas that of Serendibite is 3.43-3.44.