Cobaltite and Poudretteite Physical Properties

Cobaltite

Poudretteite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.32.51-2.53

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, Splintery

1.6 Cleavage

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

None

1.7 Mohs Hardness

5.55

2 10

1.8 Chemical Composition

CoAsSAnthony et al , Handbook of mineralogy (2001)

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

Cobaltite and Poudretteite Chemical Formula

While comparing Cobaltite and Poudretteite 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 Poudretteite chemical formula.

Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Gems Found in America

Cobaltite Vs Datolite

Cobaltite Vs Diamond

Cobaltite Vs Diopside

Cobaltite and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cobaltite and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cobaltite and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Cobaltite is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.