Rhodochrosite and Rossmanite Physical Properties

Rhodochrosite

Rossmanite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.0-3.3

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Brittle, Metallic

1.6 Cleavage

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

None

1.7 Mohs Hardness

3.5-4

Not Available

1.8 Chemical Composition

MnCO₃

◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Rhodochrosite and Rossmanite Chemical Formula

While comparing Rhodochrosite and Rossmanite 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 Rossmanite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Rossmanite- ◻(LiAl 2)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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Rhodochrosite and Rossmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Rossmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Rossmanite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 3 whereas that of Rossmanite is 3.