Cobaltite and Marcasite Physical Properties

Cobaltite

Marcasite

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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

6.34.80-4.90

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

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven

1.6 Cleavage

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

{010} Indistinct

1.7 Mohs Hardness

5.56-6.5

2 10

1.8 Chemical Composition

CoAsSAnthony et al , Handbook of mineralogy (2001)

FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Cobaltite and Marcasite Chemical Formula

While comparing Cobaltite and Marcasite 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 Marcasite chemical formula.

Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Marcasite- FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Cobaltite and Marcasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cobaltite and Marcasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cobaltite and Marcasite Optical Properties during the identification of gemstone. Specific gravity of Cobaltite is 4.80-4.90 whereas that of Marcasite is 4.80-4.90.