Cobaltite and Hollandite Physical Properties

Cobaltite

Hollandite

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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

6.35.05

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

Brittle, Metallic

1.6 Cleavage

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

Distinct / Good, Prismatic

1.7 Mohs Hardness

5.54-6

2 10

1.8 Chemical Composition

CoAsSAnthony et al , Handbook of mineralogy (2001)

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

Cobaltite and Hollandite Chemical Formula

While comparing Cobaltite and Hollandite 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 Hollandite chemical formula.

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

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Cobaltite and Hollandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cobaltite and Hollandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cobaltite and Hollandite Optical Properties during the identification of gemstone. Specific gravity of Cobaltite is 5.05 whereas that of Hollandite is 5.05.