Hollandite and Cobaltite Physical Properties

Hollandite

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

5.056.3

1 7.18

1.5 Fracture

Brittle, Metallic

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

Distinct / Good, Prismatic

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

1.7 Mohs Hardness

4-65.5

2 10

1.8 Chemical Composition

Ba(Mn++++,Mn++)8O16

CoAsSAnthony et al , Handbook of mineralogy (2001)

Hollandite and Cobaltite Chemical Formula

While comparing Hollandite 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 Hollandite and Cobaltite chemical formula.

Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Chemical formula of Cobaltite- CoAsSAnthony et al , Handbook of mineralogy (2001)

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Hollandite and Cobaltite Specific Gravity

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