Tom LoomisTom Loomis holds a degree in Geological Engineering from the South Dakota School of Mines, where he had the pleasure of study under Bill Roberts, and has worked as a geologist and mining engineer in South Dakota, Wyoming, Nevada, and Mexico for over ighteen years. His private systematic collection is extensive as is his Black Hills collection, which rivals most others. Dakota Matrix was founded in 1996 and has offered systematic and rare mineral specimens for sale online since 1998. Tom owns and operates Dakota Matrix from Rapid City, South Dakota, where he also volunteers his time, expertise, and resources at the local science museums including the Museum of Geology and The Journey Museum. Read More Read Less