16hhph.r ((COQUIMBITE)), $15 MINIMUM BID, Dexter No. 7 Mine, Calf Mesa, San Rafael Mining District, Emery Co., Utah, 2.3 x 2 x 1.3 cm, Thumbnail | |
Classic Utah specimen with hexagonal prisms of lustrous purple Coquimbite. Coquimbite is a sulphate species and like all sulphates is water soluble. So keep dry. In humid environments storing in a ziplock bag works well. |