Zoisite is a stone with an unusual appearance. Its color is determined by several elements that make up the. Iron gives the mineral a green and olive shade, vanadium-blue color, the combination of vanadium with chromium-green and blue tone. Zoisite was discovered in XIX century by a group of geologists. He was found in zau-Alps. Hence its second name – saualpe. The first name of the mineral was named in honor of Sigmund Coisa von Edelstein, who was a scholar and philanthropist. He at his own expense fitted out for research trips and scientific expeditions.