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Hollandite
Hollandite

Pearl
Pearl



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Hollandite
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Pearl

Hollandite and Pearl Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
5.05
2.60-2.85
1.5 Fracture
Brittle, Metallic
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Distinct / Good, Prismatic
none
1.7 Mohs Hardness
4-6
2.5-4.5
1.8 Chemical Composition
Ba(Mn++++,Mn++)8O16
Not Available

Hollandite and Pearl Chemical Formula

While comparing Hollandite and Pearl 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 Pearl chemical formula.

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

Another important criteria for qualitative analysis of gemstones is Hollandite and Pearl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Pearl Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 2.60-2.85 whereas that of Pearl is 2.60-2.85.