RARE16J-21
Kidwellite with Strengite on Beraunite, Dufrenite and Rockbridgeite (?)
$950.00
3 Oak Gap, near Mina, Polk Co., Arkansas, USA
Cabinet, 11.1 x 8.3 x 6.5 cm
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A nice large cabinet specimen with a hummocky surface of beraunite, dufrenite and rockbridgeite(?) covered with an olive green coating of kidwellite, a rare hydrated sodium iron phosphate hydroxide from Polk County, Arkansas. This has excellent coverage of kidwellite and is a large example for the species! Tiny spherical aggregates of strengite are found locally on the piece. This is an old specimen collected by Al Kidwell as noted on the Fender Minerals label.