Malachite and Cacoxenite Physical Properties

Malachite

Cacoxenite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-4.102.2-2.6

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones (2009), Uneven

Uneven

1.6 Cleavage

Perfect on { 2 01} fair on {010}

None

1.7 Mohs Hardness

3.5-43-4

2 10

1.8 Chemical Composition

Cu₂CO₃(OH)₂

(Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)

Malachite and Cacoxenite Chemical Formula

While comparing Malachite 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 Malachite and Cacoxenite chemical formula.

Chemical formula of Malachite- Cu₂CO₃(OH)₂
Chemical formula of Cacoxenite- (Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)

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Malachite and Cacoxenite Specific Gravity

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