9hljdis ((STEENSTRUPINE-Ce)), $15 MINIMUM BID, Shkatulka vein, Alluaiv Mt., Lorosero massif, Kola Peninsula, Russia, 4.5 x 3 x 3 cm, Miniature | |
black crystal in matrix of this long chemical formula of a silicate and phosphate with Cesium and Thorium. NOTE THORIUM IS POISONOUS TO EAT so handle with care. |