Grossular Garnet and Biotite Physical Properties

Grossular Garnet

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

3.62.7-3.3

1 7.18

1.5 Fracture

Not Available

Uneven, Even, Yellow, White

1.6 Cleavage

None

Perfect on the {001}

1.7 Mohs Hardness

6.5-7.52.5-3.0

2 10

1.8 Chemical Composition

Ca₃Al₂Si₃O₁₂

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

Grossular Garnet and Biotite Chemical Formula

While comparing Grossular Garnet 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 Grossular Garnet and Biotite chemical formula.

Chemical formula of Grossular Garnet- Ca₃Al₂Si₃O₁₂
Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2

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Grossular Garnet and Biotite Specific Gravity

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