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RM1450   Römerite with coquimbite, krausite...

Javier Ortega Mine, Huachuas, Lucanas, Ayacucho, Peru

In this specimen we can enjoy brilliant aggregates of brown transparent römerite crystals, a very rare iron sulphate. They are accompanied by coquimbite showing an intense violet color under fluorescent light or LED type. They're accompanied by numerous yellow metavoltine/copiapite crystals, along with minor fibrous halotrichite. Note that under the magnifying glass we can navigate in a world of brilliant crystals, some of which of krausite species (yellowish to grey transparent). We left this identification pleasure to the collector. Regarding its environmental stability, this sample has been stored during more than six years without further alteration.

Size: 8.8 x 6.5 x 4.0 cm.
Found in 03/2010.