Hollandite and Narsarsukite Physical Properties

Hollandite

Narsarsukite

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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

5.052.72-2.83

1 7.18

1.5 Fracture

Brittle, Metallic

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

1.6 Cleavage

Distinct / Good, Prismatic

Good on {100} and {110}

1.7 Mohs Hardness

4-66-7

2 10

1.8 Chemical Composition

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

Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

Hollandite and Narsarsukite Chemical Formula

While comparing Hollandite and Narsarsukite 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 Narsarsukite chemical formula.

Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Chemical formula of Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.

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Hollandite and Narsarsukite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Narsarsukite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Narsarsukite Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 2.72-2.83 whereas that of Narsarsukite is 2.72-2.83.