A very showy, CABINET-SIZED plate, richly covered with radial clusters of robin"s egg-blue, acicular aurichalcite crystals on a nicely contrasting gossan matrix from a classic, old-time Utah locality, the Kesler Mine in Big Cottonwood Canyon. Ex Seaman Museum Collection. Never seen such a good one up for sale before this piece which I traded out of the Museum a year or so ago 14.5 x 9.5 x 3.0 cm