During the 19th century barytes was mined near Sannox. It accounts for about 93% of total production of Barytes in India. Reserves of barytes, fluorite, wollastonite and vermiculite have also been found. Calamine, manganese, iron, copper and barytes were also mined. It has been, and is, intensively quarried for galena, fluorspar, barytes and, more controversially, limestone. The barytes mine was raided with explosives. Viaton makes micronised barytes at Hopton, Derbyshire. Bolan has been authorised by API to use their 'official nomogram' on Bolan barytes. The source of barytes ran out in 1938 and the mine closed. Scart Barytes Mine supplied Harris paint factory in 1886. There is some barytes present in rocks at Pwll-y-Wrach. National Mineral Development Corporation is extracting asbestos in Brahman palli and barytes in Mangampet. However, in 1911, the station at Middleton railed out of barytes. The radioactive shielding consisted of boral, lead, of iron shot concrete, and of barytes concrete. The first recorded barytes mining operation in Ballintrillick was in 1858.