Black Opal and Baddeleyite Physical Properties

Black Opal

Baddeleyite

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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

1.97-2.225.5-6.0

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Not Available

{001} Distinct

1.7 Mohs Hardness

6-6.56.5

2 10

1.8 Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.

ZrO 2Arthur Thomas , Gemstones (2009)

Black Opal and Baddeleyite Chemical Formula

While comparing Black Opal and Baddeleyite 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 Black Opal and Baddeleyite chemical formula.

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

Compare Blue Gemstones

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Black Opal Vs Boulder Opal

Black Opal Vs Brucite

Black Opal and Baddeleyite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Black Opal and Baddeleyite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Black Opal and Baddeleyite Optical Properties during the identification of gemstone. Specific gravity of Black Opal is 5.5-6.0 whereas that of Baddeleyite is 5.5-6.0.