Garnet and Biotite Physical Properties

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

3.55-4.332.7-3.3

1 7.18

1.5 Fracture

Conchoidal, Uneven

Uneven, Even, Yellow, White

1.6 Cleavage

Indistinct

Perfect on the {001}

1.7 Mohs Hardness

6.5-7.52.5-3.0

2 10

1.8 Chemical Composition

Garnet is a series of several different minerals with unique chemical formulas.

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

Garnet and Biotite Chemical Formula

While comparing 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 Garnet and Biotite chemical formula.

Chemical formula of Garnet- Garnet is a series of several different minerals with unique chemical formulas.
Chemical formula of Biotite- K(Mg,Fe++)3[AlSi3O10(OH,F)2

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Garnet and Biotite Specific Gravity

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