However, the noblest variety of chalcedony is truly Polish – very beautiful stone, apple green, light color – chrysopraz.

Large clusters of this stone occur in the vicinity and in the nickel mine "Marta” w Szklarach oraz

At you

At you is a variety of chalcedony characterized by ribbed, strand construction. It occurs in the form of inconspicuous lumps with spherical shapes, almond-shaped or irregular lumps, ranging in size from millimeters to many meters.

Z zewnątrz bryła agatu wygląda


The mountain crystal and its colorful varieties appear in a multi-crystalline form, in the form of clearly shaped crystals – hexagonal columns with a diameter up to 8 meters and a weight of many tons. Całkowicie odmienną budowę mają odmiany kwarcu zaliczone