Ruby and Rhodolite Physical Properties

Ruby

Rhodolite

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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

3.97-4.05

3.84

1.5 Fracture

Conchoidal

1.6 Cleavage

No true cleavage

none, may show indistinct parting

1.7 Mohs Hardness

7-7.5

1.8 Chemical Composition

Al ₂ O ₃

(Mg,Fe)₃Al₂Si₃O₁₂

Ruby and Rhodolite Chemical Formula

While comparing Ruby and Rhodolite 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 Rhodolite chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂

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Ruby and Rhodolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Rhodolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Rhodolite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 3.84 whereas that of Rhodolite is 3.84.