Rhodochrosite and Sapphire Physical Properties

Rhodochrosite

Sapphire

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.0-3.3

3.95-4.03

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

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

None, but may exhibit parting

1.7 Mohs Hardness

3.5-4

1.8 Chemical Composition

MnCO₃

Al ₂ O ₃

Rhodochrosite and Sapphire Chemical Formula

While comparing Rhodochrosite and Sapphire 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 Sapphire chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Sapphire- Al ₂ O ₃

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Rhodochrosite and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.