| mineral is stretched during tensile stress; Top: The central elongated tatya- boudinage-like textures would...isotropic Bismutotantalite Oldhamite Spinel Valentinite Foordite Smithsonite Sussexite Reflection...Madenköy Mine, Çayeli, Rize Province, Black Sea Region, Turkey (sample: Halbach); XPL If marked in description... Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia (sample: Melcher/Oberthür); PPL D Fine-grained...grey); Himmelsfürst Mine, Brand-Erbisdorf, Freiberg District, Erzgebirge, Sachsen, Germany (sample: Seifert); |
