Cacoxenite and Spinel Physical Properties

Cacoxenite

Spinel

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

none

1.3 Durability

Not Available

1.4 Specific Gravity

2.2-2.63.64-3.66

1 7.18

1.5 Fracture

Uneven

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

None

None, but may exhibit slight parting

1.7 Mohs Hardness

3-48

2 10

1.8 Chemical Composition

(Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)

MgAl₂O₄

Cacoxenite and Spinel Chemical Formula

While comparing Cacoxenite and Spinel 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 Cacoxenite and Spinel chemical formula.

Chemical formula of Cacoxenite- (Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)
Chemical formula of Spinel- MgAl₂O₄

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Cacoxenite and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cacoxenite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cacoxenite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Cacoxenite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.