Hollandite and Beryl Physical Properties

Hollandite

Beryl

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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

5.052.60-2.90

1 7.18

1.5 Fracture

Brittle, Metallic

Uneven, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Uneven, Gems, Brittle

1.6 Cleavage

Distinct / Good, Prismatic

Imperfect on {0001}

1.7 Mohs Hardness

4-67.5-8

2 10

1.8 Chemical Composition

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

Be₃Al₂Si₆O₁₈

Hollandite and Beryl Chemical Formula

While comparing Hollandite and Beryl 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 Beryl chemical formula.

Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Chemical formula of Beryl- Be₃Al₂Si₆O₁₈

Compare Grey Gemstones

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Hollandite Vs Musgravite

Hollandite and Beryl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Beryl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Beryl Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 2.60-2.90 whereas that of Beryl is 2.60-2.90.