Copper, Champion Mine, Lake Superior Copper District, Houghton County, Michigan, ex. Louis Lafayette Collection, Miniature 0.7 x 1.5 x 5.0 cm, $125. Online 12/17
Sharp miniature group of arborescent crystals some showing herringbone structure. Nice rich patina. Specimens from this location are highly prized and rare in today's market. No faults.