Cinnabar and Cobaltite Physical Properties

Cinnabar

Cobaltite

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1 Physical Properties

1.1 Tenacity

Slightly sectile

Not Available

1.2 Solubility

1.04 x 10⁻²⁵ g per 100 ml water (Ksp at 25°C = 2 x 10⁻³²)

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

26.3

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones (2009), Brittle

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

Prismatic {10 1 0}, perfect

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

1.7 Mohs Hardness

2-2.55.5

2 10

1.8 Chemical Composition

HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

CoAsSAnthony et al , Handbook of mineralogy (2001)

Cinnabar and Cobaltite Chemical Formula

While comparing Cinnabar 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 Cinnabar and Cobaltite chemical formula.

Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

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Cinnabar and Cobaltite Specific Gravity

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