Da Yooper's Rockhound and Lapidary Guide to Isle Royale Greenstone
Da Yooper's Rockhound and Lapidary guide to
Isle Royale Greenstones. Chlorastrolite, a form of Pumpellyite, that when polished has a beautiful chatoyance or play of light on the crystaline structures in the stone. Relatively abundant, it can have pink, green, black and white inclusions and more rarely inclusions of copper and silver. Isleroyalegreenstone.com~Site InfoWhoisTrace RouteRBL Check