whose surface is entirely or partially covered with a dense layer of well-formed calcite crystals
Herkunft: Österreichische Alpen – eine der traditionsreichsten Mineralregionen Europas
This Cavansite-Stilbite specimen is an exceptional gift for mineral collectors
A Prehnite Point is a hand-polished crystal tower made from genuine Prehnite – a calcium aluminum silicate mineral that immediately catches the eye with its characteristic mint green to apple green color
Septarian nodules formed millions of years ago through chemical processes in claystone
Velvet Samt Malachit Stufe aus der Tantara Mine, Kongo (157g) unvergesslich whose surface is entirely orExperience the fascination of malachite! Discover the beauty of malachite, a green copper carbonate hydroxide mineral with a chemical composition of Cu2(CO3)(OH)2 . This impressive mineral, one of the first ores used to produce copper metal , is known for its intense, rich green colors, alternating in layers with lighter shades of green . Our malachite stones are of the highest quality and are characterized by their unique texture and color. Each