Baddeleyite and Common Opal Physical Properties

Baddeleyite

Common 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

5.5-6.01.98-2.50

1 7.18

1.8 Fracture

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

Conchoidal, Conchoidal, Gemstones of the world (2001)

1.9 Cleavage

{001} Distinct

Not Available

1.10 Mohs Hardness

6.55.5-6.5

2 10

2.5 Chemical Composition

ZrO 2Arthur Thomas , Gemstones (2009)

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Baddeleyite and Common Opal Chemical Formula

While comparing Baddeleyite and Common 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 Common Opal chemical formula.

Chemical formula of Baddeleyite- ZrO 2Arthur Thomas , Gemstones (2009)
Chemical formula of Common Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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Baddeleyite and Common Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Baddeleyite and Common Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Baddeleyite and Common Opal Optical Properties during the identification of gemstone. Specific gravity of Baddeleyite is 1.98-2.50 whereas that of Common Opal is 1.98-2.50.