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Datolite, Knowlton Lode, Lake Superior Copper District, Ontonogan County, Michigan, Medium Cabinet 2.5 cm x 6.5 cm x 7.0 cm, $350. Online Feb. 28.

NSMW13054

  • $ 35000


Choice brownish-red slightly translucent cut and polished datolite nodule.  Ex: Mike Martin Collection.