Kalkstein meaning in English — freestone, limestone

English meaning

freestone noun Sedimentary rock: a type of stone that is composed of small particles and easily shaped, most commonly sandstone or limestone.
limestone noun A common sedimentary rock made mostly of calcium carbonate, formed from ancient marine deposits.

Kalkstein is used for these senses in English:

calcium carbonate (inorganic compound) A colourless or white inorganic compound, CaCO3, occurring as chalk, limestone, marble etc. Reacts with acids to liberate carbon dioxide.
freestone Sedimentary rock: a type of stone that is composed of small particles and easily shaped, most commonly sandstone or limestone.
limestone An abundant rock of marine and freshwater sediments; primarily composed of calcite (CaCO3); and occurring in a variety of forms, both crystalline and amorphous.

noun Sedimentary rock: a type of stone that is composed of small particles and easily shaped, most commonly sandstone or limestone.
noun A stone fruit having a stone (pit) that is relatively free of the flesh.

Calciumcarbonat Kalk Sandstein Sedimentgestein