Cobaltite and Fire Opal Physical Properties

Cobaltite

Fire 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

6.31.97-2.22

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)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

5.56-6.5

2 10

1.8 Chemical Composition

CoAsSAnthony et al , Handbook of mineralogy (2001)

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references

Cobaltite and Fire Opal Chemical Formula

While comparing Cobaltite and Fire 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 Fire Opal chemical formula.

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

Compare Gems Found in America

Cobaltite Vs Diamond

Cobaltite Vs Diopside

Cobaltite Vs Datolite

Cobaltite and Fire Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cobaltite and Fire Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cobaltite and Fire Opal Optical Properties during the identification of gemstone. Specific gravity of Cobaltite is 1.97-2.22 whereas that of Fire Opal is 1.97-2.22.