Description
SEVENTEEN EASTERN EUROPEAN MINERALS Including a pyrite with galena, sphalerite on quartz, Mogila mine south Madan, Bulgaria, measuring 2 1/2 x 2 1/4 x 1 1/2 in ; a Letoite Chorastolite with prehnite on rock crystal, Czech Republic ; a kyalophane, Bosnia ; a greenockite, Pribram, Czech Republic ; a...