Sapphire and Cacoxenite Physical Properties

Sapphire

Cacoxenite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.95-4.032.2-2.6

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Uneven

1.6 Cleavage

None, but may exhibit parting

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)

Sapphire and Cacoxenite Chemical Formula

While comparing Sapphire 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 Sapphire and Cacoxenite chemical formula.

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

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Sapphire and Cacoxenite Specific Gravity

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