Phlogopite and Caledonite Physical Properties

Phlogopite

Caledonite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Tough

2.78-2.85

Uneven

Perfect basal (001)

2-2.5

KMg3(Si3Al)O10(F,OH)2

Brittle

5.6-5.76

Uneven

[001] perfect; [100] distinct

2.5-3

Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)

Phlogopite and Caledonite Chemical Formula

While comparing Phlogopite and Caledonite 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 Caledonite chemical formula.

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Phlogopite and Caledonite Specific Gravity

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