5751 11btrmar ((COQUIMBITE)), $60 MINIMUM BID, Javier Mine, Ayacucho Department, Peru, 13 x 8 x 6 cm, Cabinet, | |
Here is an a fine Coquimbite with pretty purple crystals easthetically covering the specimen on all sides. Coquimbite is an iron sulphate which is water soluble and should not be washed. |