Smithsonite var. Cadmium (uncommon NM) Chris Cowan Coll.

Empire Zinc Mine, Hanover-Fierro District, Grant Co., New Mexico
Small Cabinet, 7.8 x 5.4 x 4.7 cm
Start Time: 09/10/2017 6:45:00 pm (CDT)
End Time: 09/14/2017 6:30:00 pm (CDT)
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Item Description

Mineral specimens are uncommon from this extinct zinc mine. Two-toned translucent bubbly smithsonite botryoids cover the scuptural undulating matrix. A matte flax-yellow outer layer is underlain by juicy gray smithsonite, as seen along the edges. The unusual yellow color is due to cadmium. Rare and excellent material from the Chris Cowan New Mexico Collection.

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