cassiterite, rutile, scheelite, chalco- pyrite, and vesuvianite. Hexagonal system The axial cross is formed by...rock crystal from clear gypsum or aragonite, vesuvianite from garnet, and many more minerals from others...‘Copper Belt’ in Zaire and Zambia; and in Bura-Bura Mine, Australia. Sedimentary copper is found in schists...elsewhere. Rich deposits have been found in Zacatecas, Mexico; Chanarcillo, Chile; and Potosi, Bolivia. Primary...Borgofranco, Italy; Huelva, Spain; Copiapoo, Chile; Hidalgo, Mexico; and in the USA and Australia. Arsenic (from |