Mineral: Galena and Sphalerite
Locality: Ballard Mine, Baxter Springs, Picher Field, Tri-State District, Cherokee County, Kansas, USA
Dimensions: 9.0 x 14.0 cm

Description: A cubic galena crystal measuring 5.0 x 5.5 cm with octahedral surface overgrowths associated with large, resinous, dark brown sphalerite crystals with numerous epitaxial chalcopyrite crystals.

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