Cobaltite and Ajoite Physical Properties

Cobaltite

Ajoite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

6.32.96

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

Not Available

1.6 Cleavage

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

Perfect on {010}

1.7 Mohs Hardness

5.55

2 10

1.8 Chemical Composition

CoAsSAnthony et al , Handbook of mineralogy (2001)

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Cobaltite and Ajoite Chemical Formula

While comparing Cobaltite and Ajoite 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 Ajoite chemical formula.

Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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Cobaltite and Ajoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cobaltite and Ajoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cobaltite and Ajoite Optical Properties during the identification of gemstone. Specific gravity of Cobaltite is 2.96 whereas that of Ajoite is 2.96.