Andesine and Ruby Physical Properties

Andesine

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

2.65-2.693.97-4.05

1 7.18

1.5 Fracture

Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)

Conchoidal

1.6 Cleavage

Perfect on {001}, good on {010}

No true cleavage

1.7 Mohs Hardness

6-6.59

2 10

1.8 Chemical Composition

(Na,Ca)Al_1-2Si_3-2O₈

Al ₂ O ₃

Andesine and Ruby Chemical Formula

While comparing Andesine 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 Andesine and Ruby chemical formula.

Chemical formula of Andesine- (Na,Ca)Al_1-2Si_3-2O₈
Chemical formula of Ruby- Al ₂ O ₃

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Andesine and Ruby Specific Gravity

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