Rhodochrosite and Mottramite Physical Properties

Rhodochrosite

Mottramite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.0-3.3

5.9

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Sub-Conchoidal, Brittle, Metallic

1.6 Cleavage

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

None observed

1.7 Mohs Hardness

3.5-4

1.8 Chemical Composition

MnCO₃

Not Available

Rhodochrosite and Mottramite Chemical Formula

While comparing Rhodochrosite and Mottramite 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 Mottramite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃

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Rhodochrosite and Mottramite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Mottramite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Mottramite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 5.9 whereas that of Mottramite is 5.9.