Hollandite and Albite Physical Properties

Hollandite

Albite

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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

5.052.60-2.65

1 7.18

1.5 Fracture

Brittle, Metallic

Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal

1.6 Cleavage

Distinct / Good, Prismatic

Perfect on {001}, very good on {010}, imperfect on {110}

1.7 Mohs Hardness

4-66-6.5

2 10

1.8 Chemical Composition

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

NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Hollandite and Albite Chemical Formula

While comparing Hollandite and Albite 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 Albite chemical formula.

Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Chemical formula of Albite- NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Hollandite and Albite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Albite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Albite Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 2.60-2.65 whereas that of Albite is 2.60-2.65.