Phlogopite and Andradite Garnet Physical Properties

Phlogopite

Andradite Garnet

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1 Physical Properties

1.1 Tenacity

Tough

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.78-2.853.8-3.9

1 7.18

1.5 Fracture

None, Uneven

Not Available

1.6 Cleavage

Perfect basal (001)

None

1.7 Mohs Hardness

2-2.56.5-7.5

2 10

1.8 Chemical Composition

Not Available

Ca₃Fe³⁺₂Si₃O₁₂

Phlogopite and Andradite Garnet Chemical Formula

While comparing Phlogopite and Andradite 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 Phlogopite and Andradite Garnet chemical formula.

Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂

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Phlogopite and Andradite Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Andradite Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Andradite Garnet Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 3.8-3.9 whereas that of Andradite Garnet is 3.8-3.9.