14atrmir ((COQUIMBITE)), $10 MINIMUM BID, Javier Mine, Ayacucho Department, Peru, 5.5 x 5 x 5 cm, Miniature | |
Coquimbite is an iron sulfate and so is water soluble. Do not wash or put water on this specimen. Coquimbite is purple in color. There may be other sulfate species on this specimen. There is some areas of light blue that is probably Chalcanthite, a copper sulfate. |