Segnitite

Origin: Penberthy Croft mine, St Hilary, Cornwall, England, UK

Sample size: 0.6 mm cuprite crystal replaced by goethite, and partly coated by yellow sparkle segnitite

Owner: Steve Rust

 

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Glassy olive green micro crystals to about 0.4 mm covering a 2 x 1.5 cm area. Backside shows embedded crystals of arsenopyrite and deep red carminite crystals.

Origin: Mina Alto das Quaelhas, Viseu, Portugal
DeVito Collection

Sample size: 5 x 2 x 2 cm

 

  

Yellowish green diamond shaped crystals to about 0.5 mm on red carminite (which may be mawbyite).

Origin: Kintore Open pit, Broken Hill, New South Wales, Australia (type locality)

Sample size: 5 x 4 x 1 cm

 

  

Yellow green rosettes in cross section to 3 mm in barite matrix.

Origin: Clara Mine, Wolfach, Baden-Württemberg, Germany

Sample size: 7 x 5 x 4 cm

 

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Segnitite associated with carminite

The carminite dominates in this closer photo

Origin: Kintore Opencut, Broken Hill, New South Wales, Australia (type locality)

Sample size: field of view about 15 mm (top), field of view about 6 mm (bottom)

Sample owner: Vic Cloete

 

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