Hauyne and Hollandite Physical Properties

Hauyne

Hollandite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Gelatinises in acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.4-2.55.05

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

Brittle, Metallic

1.6 Cleavage

Distinct on {110}

Distinct / Good, Prismatic

1.7 Mohs Hardness

5-64-6

2 10

1.8 Chemical Composition

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

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

Hauyne and Hollandite Chemical Formula

While comparing Hauyne 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 Hauyne and Hollandite chemical formula.

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

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Hauyne and Hollandite Specific Gravity

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