1.1 x 1.0 x 0.9 cm. An incredibly hard-to-find specimen of the rare earth oxide tanteuxenite-(Y) from what might be the most well-known locality for the species, though it's only found in about 15 localities worldwide. It was first described from the Cooglegong Pegmatite Field in Western Australia, but many years ago a fairly well-known yet ...
© Rob Lavinsky & MineralAuctions.com