Omphacite and Ruby Physical Properties

Omphacite

Ruby

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.16-3.433.97-4.05

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Conchoidal

1.6 Cleavage

{110} Good, {110} Good

No true cleavage

1.7 Mohs Hardness

5-69

2 10

1.8 Chemical Composition

(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)

Al ₂ O ₃

Omphacite and Ruby Chemical Formula

While comparing Omphacite 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 Omphacite and Ruby chemical formula.

Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Chemical formula of Ruby- Al ₂ O ₃

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Omphacite and Ruby Specific Gravity

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