Phlogopite and Amazonite Physical Properties

Phlogopite

Amazonite

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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

2.78-2.852.55-2.57

1 7.18

1.5 Fracture

None, Uneven

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Perfect basal (001)

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

1.7 Mohs Hardness

2-2.56-6.5

2 10

1.8 Chemical Composition

Not Available

KAlSi₃O₈

Phlogopite and Amazonite Chemical Formula

While comparing Phlogopite and Amazonite 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 Amazonite chemical formula.

Chemical formula of Amazonite- KAlSi₃O₈

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Phlogopite and Amazonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Amazonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Amazonite Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 2.55-2.57 whereas that of Amazonite is 2.55-2.57.