Rhodochrosite and Ruby Physical Properties

Rhodochrosite

Ruby

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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

3.97-4.05

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Conchoidal

1.6 Cleavage

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

No true cleavage

1.7 Mohs Hardness

3.5-4

1.8 Chemical Composition

MnCO₃

Al ₂ O ₃

Rhodochrosite and Ruby Chemical Formula

While comparing Rhodochrosite and Ruby 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 Ruby chemical formula.

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

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Rhodochrosite and Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Ruby Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 3.97-4.05 whereas that of Ruby is 3.97-4.05.