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Hollandite
Hollandite

Adularia
Adularia



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Hollandite
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Adularia

Hollandite and Adularia 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
5.052.54-2.61
Amber
1 7.18
1.5 Fracture
Brittle, Metallic
Not Available
1.6 Cleavage
Distinct / Good, Prismatic
Not Available
1.7 Mohs Hardness
4-66
Amber
2 10
1.5 Chemical Composition
Ba(Mn++++,Mn++)8O16
KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Hollandite and Adularia Chemical Formula

While comparing Hollandite and Adularia 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 Adularia chemical formula.

  • Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
  • Chemical formula of Adularia- KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Hollandite and Adularia Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Adularia Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Adularia Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 2.54-2.61 whereas that of Adularia is 2.54-2.61.