Ruby and Williamsite Physical Properties

Ruby

Williamsite

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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

3.97-4.052.51-2.63

1 7.18

1.5 Fracture

Conchoidal

Conchoidal, Conchoidal, Handbook of mineralogy (2001)

1.6 Cleavage

No true cleavage

Not Available

1.7 Mohs Hardness

2 10

1.8 Chemical Composition

Al ₂ O ₃

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Ruby and Williamsite Chemical Formula

While comparing Ruby and Williamsite 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 Williamsite chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

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Ruby and Williamsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Williamsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Williamsite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 2.51-2.63 whereas that of Williamsite is 2.51-2.63.