Baddeleyite and Black Opal Physical Properties

Baddeleyite

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

5.5-6.0

1.97-2.22

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

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

1.6 Cleavage

{001} Distinct

Not Available

1.7 Mohs Hardness

6.5

6-6.5

1.8 Chemical Composition

ZrO 2Arthur Thomas , Gemstones (2009)

SiO 2 + H 2OUlrich Henn and Claudio C.

Baddeleyite and Black Opal Chemical Formula

While comparing Baddeleyite 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 Baddeleyite and Black Opal chemical formula.

Chemical formula of Baddeleyite- ZrO 2Arthur Thomas , Gemstones (2009)
Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

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Baddeleyite and Black Opal Specific Gravity

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