Riebeckite and Hollandite Physical Properties

Riebeckite

Hollandite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.28-3.445.05

1 7.18

1.5 Fracture

Uneven, Splintery, Brittle

Brittle, Metallic

1.6 Cleavage

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

Distinct / Good, Prismatic

1.7 Mohs Hardness

5.0-6.04-6

2 10

1.8 Chemical Composition

Not Available

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

Riebeckite and Hollandite Chemical Formula

While comparing Riebeckite 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 Riebeckite and Hollandite chemical formula.

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

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Riebeckite and Hollandite Specific Gravity

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