Sylvite and Hollandite Physical Properties

Sylvite

Hollandite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.9935.05

1 7.18

1.5 Fracture

Uneven, Brittle

Brittle, Metallic

1.6 Cleavage

Perfect on [100], [010], [001]

Distinct / Good, Prismatic

1.7 Mohs Hardness

2.54-6

2 10

1.8 Chemical Composition

Not Available

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

Sylvite and Hollandite Chemical Formula

While comparing Sylvite 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 Sylvite and Hollandite chemical formula.

Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16

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Sylvite and Hollandite Specific Gravity

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