Edenite and Ruby Physical Properties

Edenite

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

3.05-3.37

3.97-4.05

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Conchoidal

1.6 Cleavage

Good on (110)

No true cleavage

1.7 Mohs Hardness

5-6

1.8 Chemical Composition

NaCa2Mg5Si7AlO22(OH)2

Al ₂ O ₃

Edenite and Ruby Chemical Formula

While comparing Edenite 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 Edenite and Ruby chemical formula.

Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2
Chemical formula of Ruby- Al ₂ O ₃

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Edenite and Ruby Specific Gravity

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