Cobaltite and Precious Opal Physical Properties

Cobaltite

Precious 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

6.31.98-2.25

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

5.55-6.5

2 10

1.8 Chemical Composition

CoAsSAnthony et al , Handbook of mineralogy (2001)

SiO 2 · nH 2OGemdat.org , Management Team (2012)

Cobaltite and Precious Opal Chemical Formula

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

Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

Compare Gems Found in America

Cobaltite Vs Diopside

Cobaltite Vs Diamond

Cobaltite Vs Datolite

Cobaltite and Precious Opal Specific Gravity

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