Siegenite, Sweetwater Mine, Viburnum Trend, Missouri, Collected c. 1990's, Ralph Campbell Collection, Miniature 1.0 x 1.7 x 3.0 cm, $75. Online 10/4.
NSMW12801
Rich example of this rare nickel/cobalt sulfide with sharp, octahedral crystals to 3mm on dolomitic matrix. Mined circa early 1990s. Ralph Campbell Collection.