Hollandite and Cavansite Physical Properties

Hollandite

Cavansite

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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

5.052.25-2.33

1 7.18

1.5 Fracture

Brittle, Metallic

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Distinct / Good, Prismatic

Good on {010}

1.7 Mohs Hardness

4-63-4

2 10

1.8 Chemical Composition

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

Ca(VO)Si4O10•4(H2O)

Hollandite and Cavansite Chemical Formula

While comparing Hollandite and Cavansite 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 Cavansite chemical formula.

Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Chemical formula of Cavansite- Ca(VO)Si4O10•4(H2O)

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Hollandite and Cavansite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Cavansite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Cavansite Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 2.25-2.33 whereas that of Cavansite is 2.25-2.33.