Nordkalk is a manufacturer of

limestone Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms w ...

-based products based in

Finland Finland ( fi, Suomi ; sv, Finland ), officially the Republic of Finland (; ), is a Nordic country in Northern Europe. It shares land borders with Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of Bot ...

. It operates at more than 30 different locations in Finland, Sweden, Norway, Poland and Estonia.

History

Limestone has been quarried in

Pargas Pargas ( fi, Parainen) is a town and municipality of Finland, in the Archipelago Sea, the biggest archipelago in the world by the number of islands, 50,000. The big limestone mine in Pargas is the base of the main industry and except for the cent ...

at least since the 17th century, possibly as early as the 14th century{{Citation needed, date=March 2010. Industrial quarrying began on 26 November 1898 when the

joint-stock company A joint-stock company is a business entity in which shares of the company's stock can be bought and sold by shareholders. Each shareholder owns company stock in proportion, evidenced by their shares (certificates of ownership). Shareholders a ...

Pargas Kalkbergs Aktiebolag was established by Otto Moberg. Pargas Kalkbergs Aktiebolag later changed its name to Partek. Nordkalk was part of Partek until February 2003. In August 2010 Rettig Group Ltd becomes the sole owner of Nordkalk. Nordkalk Corporation continues to quarry and process limestone as a member of the Rettig Group. Nordkalk is a member of Cleantech Finland.

Products

The main product groups of Nordkalk are: *

Limestone Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms w ...

products (

calcite Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3). It is a very common mineral, particularly as a component of limestone. Calcite defines hardness 3 on the Mohs scale of mineral hardness, based on scratc ...

or calcium carbonate and

dolomite Dolomite may refer to: *Dolomite (mineral), a carbonate mineral *Dolomite (rock), also known as dolostone, a sedimentary carbonate rock *Dolomite, Alabama, United States, an unincorporated community *Dolomite, California, United States, an unincor ...

) *

Quicklime Calcium oxide (CaO), commonly known as quicklime or burnt lime, is a widely used chemical compound. It is a white, caustic, alkaline, crystalline solid at room temperature. The broadly used term "'' lime''" connotes calcium-containing inorganic m ...

(calcium oxide) and slaked lime (

calcium hydroxide Calcium hydroxide (traditionally called slaked lime) is an inorganic compound with the chemical formula Ca( OH)2. It is a colorless crystal or white powder and is produced when quicklime (calcium oxide) is mixed or slaked with water. It has ma ...

) *Raw materials for paper pigments (flotation calcite, quicklime) *

Wollastonite Wollastonite is a calcium inosilicate mineral ( Ca Si O3) that may contain small amounts of iron, magnesium, and manganese substituting for calcium. It is usually white. It forms when impure limestone or dolomite is subjected to high temperature ...

References

External links

Nordkalk factory in Kalkkiranta, Sipoo, Finland

Official Website
Mining companies of Finland Manufacturing companies established in 1991 1991 establishments in Finland Limestone industry