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Thulite
Thulite

Hollandite
Hollandite



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Thulite
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Thulite 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
3.1
5.05
1.5 Fracture
Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)
Brittle, Metallic
1.6 Cleavage
Perfect {010} imperfect {100}
Distinct / Good, Prismatic
1.7 Mohs Hardness
6-7
4-6
1.8 Chemical Composition
Ca2Al3(SiO4)3(OH)
Ba(Mn++++,Mn++)8O16

Thulite and Hollandite Chemical Formula

While comparing Thulite 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 Thulite and Hollandite chemical formula.

  • Chemical formula of Thulite- Ca2Al3(SiO4)3(OH)
  • Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16

Thulite and Hollandite Specific Gravity

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