Montenegro facts, information, pictures . Encyclopedia articles .
Montenegro's early history is as part of the medieval development of Serbia, known as Duklja or Zeta, north of Lake Scutari (Skadarsko). ... Among the industrial minerals produced were asbestos, bentonite, ceramic clay, fire clay, feldspar, pumice, lime, magnesite, mica, kaolin, gypsum, quartz sand, salt, nitrogen, caustic.get price