Ruby and Cacoxenite Physical Properties

Ruby

Cacoxenite

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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

3.97-4.052.2-2.6

1 7.18

1.5 Fracture

Conchoidal

Uneven

1.6 Cleavage

No true cleavage

None

1.7 Mohs Hardness

93-4

2 10

1.8 Chemical Composition

Al ₂ O ₃

(Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)

Ruby and Cacoxenite Chemical Formula

While comparing Ruby and Cacoxenite 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 Cacoxenite chemical formula.

Chemical formula of Ruby- Al ₂ O ₃
Chemical formula of Cacoxenite- (Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)

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Ruby and Cacoxenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Cacoxenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Cacoxenite Optical Properties during the identification of gemstone. Specific gravity of Ruby is 2.2-2.6 whereas that of Cacoxenite is 2.2-2.6.