Hollandite and Sodalite Physical Properties

Hollandite

Sodalite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

5.052.15-2.40

1 7.18

1.5 Fracture

Brittle, Metallic

Conchoidal, Uneven, UnevenArthur Thomas, Brittle

1.6 Cleavage

Distinct / Good, Prismatic

Poor on {110}

1.7 Mohs Hardness

4-65-6

2 10

1.8 Chemical Composition

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

Na₈Al₆Si₆O₂₄Cl₂

Hollandite and Sodalite Chemical Formula

While comparing Hollandite and Sodalite 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 Sodalite chemical formula.

Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Chemical formula of Sodalite- Na₈Al₆Si₆O₂₄Cl₂

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Hollandite Vs Larvikite

Hollandite and Sodalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Sodalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Sodalite Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 2.15-2.40 whereas that of Sodalite is 2.15-2.40.