Zincite and Cacoxenite Physical Properties

Zincite

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

5.50-5.902.2-2.6

1 7.18

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

Uneven

1.6 Cleavage

On {10 1 0}, perfect; parting on {000 1 }

None

1.7 Mohs Hardness

43-4

2 10

1.8 Chemical Composition

(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

(Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)

Zincite and Cacoxenite Chemical Formula

While comparing Zincite 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 Zincite and Cacoxenite chemical formula.

Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Cacoxenite- (Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)

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Zincite and Cacoxenite Specific Gravity

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