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Variscite
Variscite

Hollandite
Hollandite



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Variscite
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Variscite and Hollandite Physical Properties

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
2.42-2.58
5.05
1.5 Fracture
Conchoidal, Splintery, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle
Brittle, Metallic
1.6 Cleavage
[010] perfect
Distinct / Good, Prismatic
1.7 Mohs Hardness
4-5
4-6
1.8 Chemical Composition
AlPO4 · 2(H2O)
Ba(Mn++++,Mn++)8O16

Variscite and Hollandite Chemical Formula

While comparing Variscite 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 Variscite and Hollandite chemical formula.

  • Chemical formula of Variscite- AlPO4 · 2(H2O)
  • Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16

Variscite and Hollandite Specific Gravity

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