Aquamarine and Biotite Physical Properties

Aquamarine

Biotite

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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

2.66-2.802.7-3.3

1 7.18

1.5 Fracture

Not Available

Uneven, Even, Yellow, White

1.6 Cleavage

3,1 basal

Perfect on the {001}

1.7 Mohs Hardness

7.5-82.5-3.0

2 10

1.8 Chemical Composition

Be₃Al₂SiO₆

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

Aquamarine and Biotite Chemical Formula

While comparing Aquamarine 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 Aquamarine and Biotite chemical formula.

Chemical formula of Aquamarine- Be₃Al₂SiO₆
Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2

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Aquamarine and Biotite Specific Gravity

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