Baddeleyite and Opal Physical Properties

Baddeleyite

Opal

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1 Physical Properties

1.1 Tenacity

Not Available

BrittleWalter Schumann

1.2 Solubility

Not Available

hot salt water

1.3 Durability

Not Available

1.4 Specific Gravity

5.5-6.0

1.98-2.25

1.5 Fracture

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

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle

1.6 Cleavage

{001} Distinct

None

1.7 Mohs Hardness

6.5

5-6.5

1.8 Chemical Composition

ZrO 2Arthur Thomas , Gemstones (2009)

SiO₂ · nH₂O

Baddeleyite and Opal Chemical Formula

While comparing Baddeleyite and 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 Opal chemical formula.

Chemical formula of Baddeleyite- ZrO 2Arthur Thomas , Gemstones (2009)
Chemical formula of Opal- SiO₂ · nH₂O

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Baddeleyite and Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Baddeleyite and Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Baddeleyite and Opal Optical Properties during the identification of gemstone. Specific gravity of Baddeleyite is 1.98-2.25 whereas that of Opal is 1.98-2.25.