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Hollandite
Hollandite

Omphacite
Omphacite



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Hollandite
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Omphacite

Hollandite and Omphacite 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
5.053.16-3.43
Amber
1 7.18
1.5 Fracture
Brittle, Metallic
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
1.6 Cleavage
Distinct / Good, Prismatic
{110} Good, {110} Good
1.7 Mohs Hardness
4-65-6
Amber
2 10
1.8 Chemical Composition
Ba(Mn++++,Mn++)8O16
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

Hollandite and Omphacite Chemical Formula

While comparing Hollandite and Omphacite 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 Omphacite chemical formula.

  • Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
  • Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

Hollandite and Omphacite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Omphacite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Omphacite Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 3.16-3.43 whereas that of Omphacite is 3.16-3.43.