This is a huge superb specimen of so-called "velvet" malachite from Congo. There are hundreds of sprays of shimmering, silky crystals here, densely intergrown. There is no matrix here - it is all malachite, and in fact, all velvet malachite - not just some of it on a clunky matrix.
Fundort: L'Etoile du Congo Mine (Star of the Congo Mine; Kalukuluku Mine), Lubumbashi, Southern area, Katanga Copper Crescent, Katanga, Demokratische Republik Kongo (Fundort bei mindat.org)
Größe: 11.7 x 10.4 x 7.5 cm.
Date
before March 2010
date QS:P,+2010-03-00T00:00:00Z/7,P1326,+2010-03-00T00:00:00Z/10
Attribution: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
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