Dufrénite

  

Origin: Walfden Mountain, near Rock Run, Cherokee Co., Arkansas, USA

Sample size: 3.5 x 3 x 1 cm, radial sprays to 1 cm

 

  

Green, concentrically zoned in cross section crystals to 4 mm with strengite

Origin: Indian Mountain, Cherokee Co., Alabama, United States

Ex. DeVito collection

Sample size: 5 x 3 x 3 cm

 

  

Concentric bands composed of different phases of phosphates, dufrenite with beraunite, kidwellite and rockbridgeite.

Origin: Buckeye Mountain, Polk Co., Arkansas, United States

Ex. Kidwell collection

Sample size: 8 x 8 x 5 cm

 

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Origin: Field near the Hochstraße, Rengersdorf, Görlitz, Oberlausitz, Saxony, Germany

Picture size: 5 mm (top), 6 mm (bottom)

Owner: Thomas Witzke

 

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Black dufrenite spheres, due to Iron-oxide coating with inner green cores, nice

Origin: Teskov Quarry near Rokycany, Bohemia, Czech Republic

Sample size: 3 x 4 cm

 

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Dufrénite, cyrilovite, chalcosiderite

Origin: Gunheath China Clay Pit, Stenalees, St Austell, Cornwall, England, UK

Sample size: area 1 cm

Owner: Steve Rust

 

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Libethenite on dufrenite

Origin: Block 14 Open Cut, Broken Hill, New South Wales, Australia

Sample size: unknown

Sample owner: Steve Sorrell

 

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Dufrenite with hyalite opal

Origin: Milo Mine, Cloncurry, Queensland, Australia

Sample size: fov 5 mm

Sample owner: Queensland Micromineral Museum, Queensland Mineralogical Society

 

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