Hollandite and Rosasite Physical Properties

Hollandite

Rosasite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Effervesces in cold

1.3 Durability

Not Available

1.4 Specific Gravity

5.054-4.2

1 7.18

1.5 Fracture

Brittle, Metallic

Splintery

1.6 Cleavage

Distinct / Good, Prismatic

Perfect on {100} and {010}

1.7 Mohs Hardness

4-64

2 10

1.8 Chemical Composition

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

Not Available

Hollandite and Rosasite Chemical Formula

While comparing Hollandite and Rosasite 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 Rosasite chemical formula.

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

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Hollandite and Rosasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Rosasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Rosasite Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 4-4.2 whereas that of Rosasite is 4-4.2.