9fhceis ((ELLSWORTHITE aka URANPYROCHLORE)), Radioactive, $15 MINIMUM BID, Bancroft, Ontaria, Canada, 5 x 4 x 2 cm, Miniature | |
Classic location for Uranpyrochlore which contains U, Ce, Nb, and Ta, ex Philadelphia Academy of Science, old label included but its not an academy label. Looks like ex Gerstley collection. |