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Hollandite
Hollandite

Sylvite
Sylvite



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Hollandite
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Sylvite

Hollandite and Sylvite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
5.051.993
Amber
1 7.18
1.5 Fracture
Brittle, Metallic
Uneven, Brittle
1.6 Cleavage
Distinct / Good, Prismatic
Perfect on [100], [010], [001]
1.7 Mohs Hardness
4-62.5
Amber
2 10
1.8 Chemical Composition
Ba(Mn++++,Mn++)8O16
Not Available

Hollandite and Sylvite Chemical Formula

While comparing Hollandite and Sylvite 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 Sylvite chemical formula.

  • Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
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Hollandite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 1.993 whereas that of Sylvite is 1.993.