Sphalerite var cleiophane, Galena, Pyrite Krushev dol ...
Description:
Sphalerite var cleiophane, Galena, Pyrite Krushev dol deposit (Krusov dol deposit), Krushev dol mine, Madan ore field, Rhodope Mountains, Smolyan Oblast, Bulgaria 7.0 x 5.2 cm
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