Mineral resources of Poland> Rock raw materials and others> Calcite
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Veins of crystal calcite, originated from the hydrothermal-ascending processes, occur within the Middle Devonian limestones and dolomites in the Kielecko-Chęciński region and within the Lower Carboniferous limestones in the area of Krzeszowice (Paczółtowice-Czarna region). Calcite deposits, occurring in the form of veins, were documented in Świętokrzyskie Voivodeship.

Calcite is used in the ceramic industry as an additional compound. Nevertheless, it has been lately replaced by other high-calcium raw materials. In the past, it was used in the glass industry, as the fancy stone and as a compound of precious grits.

Anticipated economic resources, documented within 3 deposits, are estimated at 232.78 thousand tonnes as of 31.12.2017. Resources have not changed in comparison with the previous year. The richest is Skrzelczyce deposit, where the coarse-crystalline calcite vein is of about 640 m long and about 25-42 m wide. In Polichno-Skiby deposit there are 2 calcite veins about 300 m long and from 3 m to 16 m thick. Only in Radomice I deposit calcite is occurring as the main raw material, in others calcite is a co-occurring raw material with limestones (limestones were documented for building and road industries). Nowadays, none of the calcite deposits is being exploited due to the economic and environmental protection reasons.

Prepared by: Dariusz Brzeziński