Rhodochrosite and Iolite Physical Properties

Rhodochrosite

Iolite

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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

2.6-2.7

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Not Available

1.6 Cleavage

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

3,1

1.7 Mohs Hardness

3.5-4

7-7.5

1.8 Chemical Composition

MnCO₃

Mg₂Al₄Si₅O₁₈

Rhodochrosite and Iolite Chemical Formula

While comparing Rhodochrosite and Iolite 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 Iolite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Rhodochrosite and Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Iolite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 2.6-2.7 whereas that of Iolite is 2.6-2.7.