Mineral: Sphalerite
Locality: Commodore Mine, Creede District, Mineral County, Colorado, USA
Dimensions: 6.0 x 5.5 x 3.5 cm.

Description: Lustrous, dark amber, partially-gemmy twinned sphalerite crystals to 2.5 cm with scattered groups of small amethyst crystals and minor galena.

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