Cobalt-bearing Smithsonite (old) Kidwell Coll.

Item Description

Pretty pastel-pink, gemmy, glassy, lustrous complex cobaltoan smithsonite rhombs along with areas of oxide-tinted yellow-brown rhombs are festooned on four sides of the sculptural large vuggy matrix. Pink is a highly desirable smithsonite color varietal from famed Tsumeb. Old Upper Level material from the Al Kidwell Collection and acquired from Adi Blignaut in 1960. Al was a well-known mineral collector and research geologist with Carter Oil Company and later Exxon Oil Company in Houston, Texas. The phosphate species Kidwellite was named in his honor in 1974. A classic, showy and rich pink cobaltoan smithsonite from Tsumeb.