Serendibite and Black Opal Physical Properties

Serendibite

Black Opal

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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

3.43-3.441.97-2.22

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

None Observed

Not Available

1.7 Mohs Hardness

6.5-76-6.5

2 10

1.8 Chemical Composition

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

SiO 2 + H 2OUlrich Henn and Claudio C.

Serendibite and Black Opal Chemical Formula

While comparing Serendibite 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 Serendibite and Black Opal chemical formula.

Chemical formula of Serendibite- Ca 2(Mg,Al) 6(Si,Al,B) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

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Serendibite and Black Opal Specific Gravity

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