5710 11btrmnr ((COQUIMBITE, COPIAPITE, HALOTRICHITE)), $30 MINIMUM BID, Javier Mine, Ayacucho Department, Peru, 9.5 x 6.5 x 6 cm, Cabinet, | |
Excellent sulphate species. Large glassy lustrous purple Coquimbite and yellow microcrystaline areas of Copiapite. Also associated white Halotrichite and brown crystals 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. |