Wörterbuch (en): Calcspar / Calcite
de: 
Kalkspat (m) / Calcit (m) / Kalzit (m)
fr: 
Calcite (f)
it: 
Calcite (f) 
es: 
Calcita (f)
The calcite containing rocks marble, limestone and onyx marble are high-quality building materials, in addition calcite is used in limestone for the production of cement and fertilizer and as an aggregate in the smelting of ores.
