Hematite and Hollandite Physical Properties

Hematite

Hollandite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.00-5.305.05

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

Brittle, Metallic

1.6 Cleavage

None, may show partings on {0001} and {10 1 1}

Distinct / Good, Prismatic

1.7 Mohs Hardness

64-6

2 10

1.8 Chemical Composition

Fe 2O 3Arthur Thomas , Gemstones (2009)

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

Hematite and Hollandite Chemical Formula

While comparing Hematite 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 Hematite and Hollandite chemical formula.

Chemical formula of Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)
Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16

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Hematite and Hollandite Specific Gravity

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