Phlogopite and Ajoite Physical Properties

Phlogopite

Ajoite

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1 Physical Properties

1.1 Tenacity

Tough

Not Available

1.2 Solubility

Not Available

Decomposed by acids

1.3 Durability

Not Available

1.4 Specific Gravity

2.78-2.852.96

1 7.18

1.5 Fracture

None, Uneven

Not Available

1.6 Cleavage

Perfect basal (001)

Perfect on {010}

1.7 Mohs Hardness

2-2.55

2 10

1.8 Chemical Composition

Not Available

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

Phlogopite and Ajoite Chemical Formula

While comparing Phlogopite and Ajoite 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 Ajoite chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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Phlogopite and Ajoite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Ajoite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Ajoite Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 2.96 whereas that of Ajoite is 2.96.