Biotite and Grossular Garnet Physical Properties

Biotite

Grossular Garnet

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.7-3.33.6

1 7.18

1.5 Fracture

Uneven, Even, Yellow, White

Not Available

1.6 Cleavage

Perfect on the {001}

None

1.7 Mohs Hardness

2.5-3.06.5-7.5

2 10

1.8 Chemical Composition

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

Ca₃Al₂Si₃O₁₂

Biotite and Grossular Garnet Chemical Formula

While comparing Biotite and Grossular Garnet 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 Biotite and Grossular Garnet chemical formula.

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

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Biotite and Grossular Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Biotite and Grossular Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Biotite and Grossular Garnet Optical Properties during the identification of gemstone. Specific gravity of Biotite is 3.6 whereas that of Grossular Garnet is 3.6.