Description: Galena Krushev dol mine, Madan Ore Field, Sth Rhodope Mts., Smolyan Oblast, Bulgaria. 10 x 9 x 5 cm; 815 gram Galena Krushev dol mine, Madan Ore Field, Sth Rhodope Mts., Smolyan Oblast, Bulgaria. 10 x 9 x 5 cm; 815 gram

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