Crocoite and Cobaltite Physical Properties

Crocoite

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

5.90-6.106.3

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).

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

{110} Distinct, {001} Indistinct, {100} Indistinct

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

1.7 Mohs Hardness

2.5-35.5

2 10

1.8 Chemical Composition

PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

CoAsSAnthony et al , Handbook of mineralogy (2001)

Crocoite and Cobaltite Chemical Formula

While comparing Crocoite 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 Crocoite and Cobaltite chemical formula.

Chemical formula of Crocoite- PbCrO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

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Crocoite and Cobaltite Specific Gravity

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