15btrm.tr ((COQUIMBITE, COPIAPITE, ALUNOGEN, ROMERITE)), $40 MINIMUM BID, Javier Mine, Ayacucho, Peru, 7 x 6 x 6 cm, Cabinet | |
Large purple Coquimbite crystals to 2.3 cm with sparkling yellow Copiapite crystals. White Alunogen and brown Romerite crystals neat the lower area and on the back. Fine example of a mix of sulfate species which are water soluble. Do not wash with water! From the Peruvian find in about 2015. ex Ramos Minerals specimen. |