Ruby and Rhodochrosite Physical Properties

Ruby

Rhodochrosite

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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

3.97-4.053.0-3.3

1 7.18

1.5 Fracture

Conchoidal

Uneven, Conchoidal, Conchoidal to uneven, Brittle

1.6 Cleavage

No true cleavage

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

1.7 Mohs Hardness

93.5-4

2 10

1.8 Chemical Composition

Al ₂ O ₃

MnCO₃

Ruby and Rhodochrosite Chemical Formula

While comparing Ruby and Rhodochrosite 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 Ruby and Rhodochrosite chemical formula.

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

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Ruby and Rhodochrosite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Rhodochrosite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Rhodochrosite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 3.0-3.3 whereas that of Rhodochrosite is 3.0-3.3.