Rhodochrosite and Kyanite Physical Properties

Rhodochrosite

Kyanite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.0-3.3

3.53-3.65

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Splintery, Brittle, Metallic

1.6 Cleavage

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

[100] perfect [010] imperfect with 79° angle between

1.7 Mohs Hardness

3.5-4

4-7

1.8 Chemical Composition

MnCO₃

Not Available

Rhodochrosite and Kyanite Chemical Formula

While comparing Rhodochrosite and Kyanite 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 Kyanite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃

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Rhodochrosite and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.