- Thumbnail, 2.7 x 2.1 x 1.9 cm
- Ray Mine area, Mineral Creek District, Dripping Spring Mts, Pinal Co., Arizona, USA
- Ex. Kay Robertson
Spectacular, arborescent cluster of crystallized Copper, with a bright, silvery-gold patina that runs right up the center of the specimen. Many of the Coppers are beautifully crystallized, and the pics more than show just what a superb thumbnail this is.