Cacoxenite and Covellite Physical Properties

Cacoxenite

Covellite

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1 Physical Properties

1.1 Tenacity

Not Available

Flexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.2-2.64.6-4.76

1 7.18

1.5 Fracture

Uneven

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic

1.6 Cleavage

None

Perfect on {0001}

1.7 Mohs Hardness

3-4Not Available

2 10

1.8 Chemical Composition

(Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)

CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Cacoxenite and Covellite Chemical Formula

While comparing Cacoxenite and Covellite 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 Covellite chemical formula.

Chemical formula of Cacoxenite- (Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)
Chemical formula of Covellite- CuSMichael OâDonoghue , Gems, Sixth edition (2006) More from other references

Compare Green Gemstones

Cacoxenite Vs Aegirine

Cacoxenite Vs Actinolite

Cacoxenite Vs Adamite

Cacoxenite and Covellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Cacoxenite and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Cacoxenite and Covellite Optical Properties during the identification of gemstone. Specific gravity of Cacoxenite is 4.6-4.76 whereas that of Covellite is 4.6-4.76.