Ruby and Uvite Physical Properties

Ruby

Uvite

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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

3.97-4.052.97-3.14

1 7.18

1.5 Fracture

Conchoidal

Uneven, Conchoidal, Brittle

1.6 Cleavage

No true cleavage

{1011} Indistinct

1.7 Mohs Hardness

9Not Available

2 10

1.8 Chemical Composition

Al ₂ O ₃

Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Ruby and Uvite Chemical Formula

While comparing Ruby and Uvite 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 Uvite chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Uvite- Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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Ruby and Uvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Uvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Uvite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 2.97-3.14 whereas that of Uvite is 2.97-3.14.