Aeschynite-(Nd), Ferriallanite-(Ce), Fluorite
Chungju deposit, Mt. Eorae, Joongwon-gun, Chungju City, North Chungcheong Province, South Korea
8 mm long prismatic aeschynite-(Nd) crystals (in the upper right corner of the specimen) in small pegmatite weinlet, crosscuting layer of zircon-feldspar-quartz hornfels with abundant finegrained aeschynite-(Nd). More thick pegmatite veinlet in the opposite side of the specimen has violet fluorite core and dark rim of ferriallanite-(Ce). Matrix ...
© Pavel M. Kartashov collection & photo