Hollandite and Anatase Physical Properties

Hollandite

Anatase

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.05

3.82-3.97

1.5 Fracture

Brittle, Metallic

Subconchoidal, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Distinct / Good, Prismatic

Perfect on [001] and [011]

1.7 Mohs Hardness

4-6

5.5-6

1.8 Chemical Composition

Ba(Mn++++,Mn++)8O16

TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Hollandite and Anatase Chemical Formula

While comparing Hollandite and Anatase 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 Anatase chemical formula.

Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Chemical formula of Anatase- TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Hollandite and Anatase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Anatase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Anatase Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 3.82-3.97 whereas that of Anatase is 3.82-3.97.