Turquoise, polished. 55 mm, ZhiJandy, Kazakhstan, G Galena, 45 mm, Madan, Bulgaria, G SphaJerite. xx 12 mm...localities of magmatic origin (in the sequence North and South America and Greenland, then Europe, Asia, Africa...pegmatitic origin in the same sequence: North and South America and Greenland, then Europe, etc. For some...Hill and Slim Buttes areas, both Harding Co .. South Dakota. and at the Fuemrole No2 mine, Emery co ...Bulgaria, G Actinolite - byssolite, 50 mm, Valle d'Aosta, Italy, G short-columnar crystals, usually in |