Andesine and Phlogopite Physical Properties

Andesine

Phlogopite

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1 Physical Properties

1.1 Tenacity

Brittle

Tough

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.65-2.692.78-2.85

1 7.18

1.5 Fracture

Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)

None, Uneven

1.6 Cleavage

Perfect on {001}, good on {010}

Perfect basal (001)

1.7 Mohs Hardness

6-6.52-2.5

2 10

1.8 Chemical Composition

(Na,Ca)Al_1-2Si_3-2O₈

Not Available

Andesine and Phlogopite Chemical Formula

While comparing Andesine and Phlogopite 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 Andesine and Phlogopite chemical formula.

Chemical formula of Andesine- (Na,Ca)Al_1-2Si_3-2O₈

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Andesine and Phlogopite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andesine and Phlogopite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andesine and Phlogopite Optical Properties during the identification of gemstone. Specific gravity of Andesine is 2.78-2.85 whereas that of Phlogopite is 2.78-2.85.