Phlogopite and Rhodochrosite Physical Properties

Phlogopite

Rhodochrosite

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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

2.78-2.853.0-3.3

1 7.18

1.5 Fracture

None, Uneven

Uneven, Conchoidal, Conchoidal to uneven, Brittle

1.6 Cleavage

Perfect basal (001)

On {10 1 1} perfect; parting on {10 1 2}

1.7 Mohs Hardness

2-2.53.5-4

2 10

1.8 Chemical Composition

Not Available

MnCO₃

Phlogopite and Rhodochrosite Chemical Formula

While comparing Phlogopite and Rhodochrosite 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 Rhodochrosite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃

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Phlogopite and Rhodochrosite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Rhodochrosite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Rhodochrosite Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 3.0-3.3 whereas that of Rhodochrosite is 3.0-3.3.