Hollandite and Hematite Physical Properties

Hollandite

Hematite

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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

5.055.00-5.30

1 7.18

1.5 Fracture

Brittle, Metallic

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

1.6 Cleavage

Distinct / Good, Prismatic

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

1.7 Mohs Hardness

4-66

2 10

1.8 Chemical Composition

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

Fe 2O 3Arthur Thomas , Gemstones (2009)

Hollandite and Hematite Chemical Formula

While comparing Hollandite and Hematite 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 Hematite chemical formula.

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

Compare Grey Gemstones

Hollandite Vs Musgravite

Hollandite Vs Larvikite

Hollandite Vs Falcons Eye

Hollandite and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Hematite Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 5.00-5.30 whereas that of Hematite is 5.00-5.30.