Rhodochrosite and Phlogopite Physical Properties

Rhodochrosite

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

3.0-3.3

2.78-2.85

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

None, Uneven

1.6 Cleavage

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

Perfect basal (001)

1.7 Mohs Hardness

3.5-4

2-2.5

1.8 Chemical Composition

MnCO₃

Not Available

Rhodochrosite and Phlogopite Chemical Formula

While comparing Rhodochrosite 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 Rhodochrosite and Phlogopite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃

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Rhodochrosite and Phlogopite Specific Gravity

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