Custer Mountain lode, Custer, Custer Mining District, Custer County, South Dakota, USA

Yellow brown light Sicklerite F o v mm 2 x mm 1,5 Photo with Canon Eos 600 D + Bellows + Rodenstock Rodagon 28 mm 1:4,0 reversed processed by Helicon Focus and Filter Photo and collection Giovanni Scapin

© Scapin Giovanni

Crystalline mass of pure amblygonite. Photographed by, and in the collection of Dan Costian.

© Dan Costian

Yellow brown Sicklerite F o v mm 2 x mm 1,5 Photo with Canon Eos 600 D + Bellows + Rodenstock Rodagon 28 mm 1:4,0 reversed processed by Helicon Focus and Filter Photo and collection Giovanni Scapin

© Scapin Giovanni

Yellow brownish Lithiophilite F o v mm 2 x mm 2 Photo with Canon Eos 600 D + Bellows + Rodenstock Rodagon 28 mm 1:4,0 reversed processed by Helicon Focus and Filter Photo and collection Giovanni Scapin

© Scapin Giovanni

2022 photo of part of the North Pit at the Custer Mountain Lode Mine, a pegmatite deposit.

© Christopher Wentzell