Cala is a town and municipality located in the province of

Huelva Huelva (, ) is a city in southwestern Spain, the capital of the province of Huelva in the autonomous community of Andalusia. It is between two short rias though has an outlying spur including nature reserve on the Gulf of Cádiz coast. The ria ...

, Spain. According to the 2005

census A census is the procedure of systematically acquiring, recording and calculating information about the members of a given population. This term is used mostly in connection with national population and housing censuses; other common censuses in ...

, the city has a population of 1,324 inhabitants. The region has been mined since Carthaginian times and the local mines, ''Minas de Cala'' are well known for the minerals

Skutterudite Named after Skuterudåsen, a hill in Modum, Norway, skutterudite is a cobalt arsenide mineral containing variable amounts of nickel and iron substituting for cobalt with the ideal formula CoAs3. Some references give the arsenic a variable formula ...

and

Nickeline Nickeline or niccolite is a mineral consisting primarily of nickel arsenide (NiAs). The naturally-occurring mineral contains roughly 43.9% nickel and 56.1% arsenic by mass, but composition of the mineral may vary slightly. Small quantities of ...

Demographics

References

*''Mineralogy and origin of the skarn from Cala (Huelva, Spain)'', F. Velasco, and J. M. Amigo, Economic Geology, v. 76, no. 3, p. 719-727, May 1981

External links

Cala
- Sistema de Información Multiterritorial de Andalucía
Minas de Cala
Municipalities in the Province of Huelva {{andalusia-geo-stub