Realgar and Cobaltite Physical Properties

Realgar

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

3.566.3

1 7.18

1.5 Fracture

(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

{010} Good

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

1.7 Mohs Hardness

Not Available5.5

2 10

1.8 Chemical Composition

AsSMichael OâDonoghue , Gems, Sixth Edition (2006)

CoAsSAnthony et al , Handbook of mineralogy (2001)

Realgar and Cobaltite Chemical Formula

While comparing Realgar 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 Realgar and Cobaltite chemical formula.

Chemical formula of Realgar- AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

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Realgar and Cobaltite Specific Gravity

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