Beryl and Biotite Physical Properties

Beryl

Biotite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.60-2.902.7-3.3

1 7.18

1.5 Fracture

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

Uneven, Even, Yellow, White

1.6 Cleavage

Imperfect on {0001}

Perfect on the {001}

1.7 Mohs Hardness

7.5-82.5-3.0

2 10

1.8 Chemical Composition

Be₃Al₂Si₆O₁₈

K(Mg,Fe++)3[AlSi3O10(OH,F)2

Beryl and Biotite Chemical Formula

While comparing Beryl and Biotite 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 Beryl and Biotite chemical formula.

Chemical formula of Beryl- Be₃Al₂Si₆O₁₈
Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2

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Beryl and Biotite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryl and Biotite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryl and Biotite Optical Properties during the identification of gemstone. Specific gravity of Beryl is 2.7-3.3 whereas that of Biotite is 2.7-3.3.