Phlogopite and Charlesite Physical Properties

Phlogopite

Charlesite

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1 Physical Properties

1.1 Tenacity

Tough

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.78-2.851.79

1 7.18

1.5 Fracture

None, Uneven

Irregular/uneven, Brittle, Metallic

1.6 Cleavage

Perfect basal (001)

Perfect on {10bar10}

1.7 Mohs Hardness

2-2.52.5

2 10

1.8 Chemical Composition

Not Available

Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

Phlogopite and Charlesite Chemical Formula

While comparing Phlogopite and Charlesite 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 Charlesite chemical formula.

Chemical formula of Charlesite- Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12•26(H2O)

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Phlogopite and Charlesite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Charlesite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Charlesite Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 1.79 whereas that of Charlesite is 1.79.