Cuprite

ncat JP2-24-2 A2127 Cuprite, Connellite, Brochantite, Marshite, Smithsonite, Calcite, Block 14 Opencut, Broken Hill, Broken Hill district, Yancowinna Co., New South Wales

An aesthetic and really interesting specimen. Four well-formed cuprite crystals with tiny green brochantite crystals and blue connellite puffballs, sitting on a bed of white smithsonite stained by goethite. Then under longwave UV, you can see a couple of light red fluorescing calcite crystals, and small areas of tiny marshite...

20063 M446 Marshite, Cuprite, Dolomite, Mutooroo Mine, Pine Creek – Mutooroo area, Mingary, Olary Province, South Australia

Pale greenish marshite(!) crystal with dark cuprite crystals and white dolomite. The marshite fluoresces strongly red with Convoy UV torch. There are three other areas of the specimen that also fluoresce bright red, but individual crystals are hidden. No doubt about the locality, it is typical of Mutooroo. Width 7.5mm....

8147 Chalcoalumite, Ajoite, Brochantite, Copper, Cuprite, New East Wheal Russell (South Wheal Crebor), Tavistock Hamlets, Tavistock District, Devon, England

Andy Tindle: Ajoite is listed on MinDat from England, Devon, Tavistock District, Tavistock Hamlets, New East Wheal Russell (South Wheal Crebor). No reference is given, but almost certainly the source is the British Micromount Society database. An XRD examination of supposed ajoite from this location was inconclusive and ajoite was...