Wood Opal and Cobaltite Physical Properties

Wood Opal

Cobaltite

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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

1.98-2.506.3

1 7.18

1.5 Fracture

Not Available

UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, UnevenAnthony et al, Handbook of mineralogy (2001) More from other references, Brittle, Metallic

1.6 Cleavage

Not Available

{100} Good, {010} Good, {001} Good

1.7 Mohs Hardness

5.5-6.55.5

2 10

1.8 Chemical Composition

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

CoAsSAnthony et al , Handbook of mineralogy (2001)

Wood Opal and Cobaltite Chemical Formula

While comparing Wood Opal and Cobaltite 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 Wood Opal and Cobaltite chemical formula.

Chemical formula of Wood Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

Compare Gems Found In Australia

Wood Opal Vs Druzy

Wood Opal Vs Canadian Ammolite

Wood Opal Vs Alunite

Wood Opal and Cobaltite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wood Opal and Cobaltite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wood Opal and Cobaltite Optical Properties during the identification of gemstone. Specific gravity of Wood Opal is 6.3 whereas that of Cobaltite is 6.3.