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Anhydrite
Anhydrite

Hollandite
Hollandite



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Anhydrite
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Hollandite

Anhydrite and Hollandite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.90-2.98
5.05
1.5 Fracture
Conchoidal, Brittle, Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Brittle, Metallic
1.6 Cleavage
Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.
Distinct / Good, Prismatic
1.7 Mohs Hardness
3.5
4-6
1.8 Chemical Composition
CaSO 4Michael O’Donoghue , Gems, Sixth edition (2006) More from other references
Ba(Mn++++,Mn++)8O16

Anhydrite and Hollandite Chemical Formula

While comparing Anhydrite 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 Anhydrite and Hollandite chemical formula.

  • Chemical formula of Anhydrite- CaSO 4Michael O’Donoghue , Gems, Sixth edition (2006) More from other references
  • Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16

Anhydrite and Hollandite Specific Gravity

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