Kolwezite on cobalt-bearing Calcite

Item Description

An attractive association specimen from the lesser-known Mupine Mine featuring small aggregates of dark greenish-grey colored Kolwezite associated with beautiful intense sharp, lustrous, gemmy, compressed crystals of fuchsia pink colored cobalt-bearing Calcite measuring up to 6 mm on matrix. The Calcite crystals were difficult to photograph, but they look great in person. A great overall association specimen from one of the premier copper/cobalt mining districts in the world. From the collection of William ("Bill") (1927-2006) and Anne (1928-2021) Cook of Cleveland, Ohio (#4653) (with an accompanying label from Al McGuinness). This husband and wife duo were actively involved in the mineral world for many decades. Bill was a PhD geologist, and Anne was a mathematician, and they both were very serious mineral collectors. Bill served for many years as adjunct curator of mineralogy at the Cleveland Museum of Natural History, and Anne was inducted into the Micromounters' Hall of Fame on October 12, 2019. Both Bill and Anne, at various times, served as president both of the Mineralogical Society of Cleveland and of the Micromineral Society of the Cleveland Museum of Natural History, and Anne was inducted into the mi The rare barium lithium beryllium phosphate Wilancookite was named in their honor in 2015.