Rhodochrosite and Carnallite Physical Properties

Rhodochrosite

Carnallite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.0-3.3

1.6

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Violet, Conchoidal, Brittle, Conchoidal, Brittle

1.6 Cleavage

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

None

1.7 Mohs Hardness

3.5-4

2.5

1.8 Chemical Composition

MnCO₃

KMgCl3•6(H2O)

Rhodochrosite and Carnallite Chemical Formula

While comparing Rhodochrosite and Carnallite 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 Carnallite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Carnallite- KMgCl3•6(H2O)

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Rhodochrosite and Carnallite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Carnallite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Carnallite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 1.6 whereas that of Carnallite is 1.6.