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General Principles and Processes of Isolation of Elements

Occurrence of metals:

Metal

Ores

Composition

Aluminium

 

Bauxite

AlOx(OH)3-2x

[where 0 < x < 1]

Kaolinite (a form of clay)

[Al2 (OH)4 Si2O5]

Iron

 

Haematite

Fe2O3

Magnetite

Fe3O4

Siderite

FeCO3

Iron pyrites

FeS2

Copper

 

Copper pyrites

CuFeS2

Malachite

CuCO3.Cu(OH)2

Cuprite

Cu2O

Copper glance

Cu2S

Zinc

Zinc blende or Sphalerite

ZnS

Calamine

ZnCO3

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