Specimens of pargasite with small inclusions of ruby from Mundarara Mine, Arusha Region, Tanzania. Pargasite is a complex inosilicate mineral of the amphibole group. It has several variations with different dominant minerals some of which are recognised as different mineral species, making pargasite a root name for several different minerals. It was named in 1814 by Count Fabian Gotthard von Steinheil for the locality in the Pargas Valley, Finland. These particular samples of pargasite are black in colour and contain small amounts of the ruby corundum that the mundarara mine is known for. The Specimens are supplied in a white card tray with an information label and are a must have addition for any mineral collection.