Hollandite and Hauyne Physical Properties

Hollandite

Hauyne

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Gelatinises in acids

1.3 Durability

Not Available

1.4 Specific Gravity

5.052.4-2.5

1 7.18

1.5 Fracture

Brittle, Metallic

Uneven, Conchoidal, Brittle

1.6 Cleavage

Distinct / Good, Prismatic

Distinct on {110}

1.7 Mohs Hardness

4-65-6

2 10

1.8 Chemical Composition

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

(Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2

Hollandite and Hauyne Chemical Formula

While comparing Hollandite and Hauyne 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 Hauyne chemical formula.

Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Chemical formula of Hauyne- (Na,Ca)4-8Al6Si6(O,S)24(SO4,Cl)1-2

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Hollandite and Hauyne Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Hauyne Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Hauyne Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 2.4-2.5 whereas that of Hauyne is 2.4-2.5.