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Rich group of pyromorphite crystals, of intense color with hexagonal forms in barrel. It comes from an English mine not well represented in collections. ittle is known about the early history but it was connected to the Boat Level by a shaft for drainage so was probably first worked in the early 19th Century. There is a reference to it working in 1866. In the 1960s, 7 levels by the road were being worked on a small scale for barite.