Natural Indian Minerals
Zinc Ore

Name and Composition - Zinc : Sphalerite (Zinc blende): ZnS.

Physical Properties - Zinc Ore (sphalerite): Generally occurs as brown coloured tetrahedral or dodecahedral crystals, massive and compact form with resinous to adamantine lusture. Streak is white to reddish brown, sp.gr. 3.9 to 4.0.

Mode of Occurrence - Syn–sedimentary deposits. Mineralization genially occurs as en-echelon shoots/lodes in dolomite, quartz-chlorite-biotite schist, augen gneisses etc.

Uses - Zinc metal is used in electroplating (galvanization), Handicrafts, Zinc foil Etc.it is used also in chemicals, dry batteries, alloy metal etc. : lead is used in pipe industries ,storage batteries, nuclear containers.

Mineral based Industries – Zinc smelter, recycling units of Pb-zn.

Industrial Prospects – Handicrafts, storage battery, dry battery, zinc foil, galvansing industries.


Physical Properties
Hardness
Sp. gr.
Melting point
Boiling point
Density
3.5 to 3.9
3.9 to 4.0
419.53 °C
907 °C
7.14 g/cm3
Chemical Properties
Oxidation states
Electronegativity
Atomic number
-2, 0, +1, +2 ​
Pauling scale: 1.65
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