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Hollandite
Hollandite

Augite
Augite



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Hollandite
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Augite

Hollandite and Augite Physical Properties

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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
5.053.19-3.56
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} Perfect, {010} Indistinct
1.7 Mohs Hardness
4-65.5-6
Amber
2 10
1.8 Chemical Composition
Ba(Mn++++,Mn++)8O16
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

Hollandite and Augite Chemical Formula

While comparing Hollandite and Augite 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 Augite chemical formula.

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

Hollandite and Augite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Augite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Augite Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 3.19-3.56 whereas that of Augite is 3.19-3.56.