5710 11btrmtr ((COQUIMBITE, COPIAPITE, HALOTRICHITE)), $50 MINIMUM BID, Javier Mine, Ayacucho Department, Peru, 11 x 9.5 x 4.5 cm, Cabinet | |
Another excellent sulphate species. Large glassy lustrous purple Coquimbite and brown microcrystaline of Romerite. Great find in Peru about 2011. Water soluble. Do not wash. Has been stable but even better if kept in a zip lock bag if in a humid area. |