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| Symbol | BaCO3 |
|---|
This is a short overview. For the background — history, value over time and notable mines — see Witherite →
Occurs in: Hydrothermal Deposits, Veins and Lodes →
A barium carbonate mineral, historically used in rat poison, as a hardening agent in steel manufacture, and in specialist pottery glazes. Settlingstones in Northumberland was, for nearly a century, the world's only significant commercial source.
| Mine | Region | Worked |
|---|---|---|
| Fallowfield Mine | Northumberland | From 1611–1911 |
| Hilton and Scordale Mines | Cumbria | By the 18th century–After 1919 |
| Lead Mines Clough | Lancashire | c.680-1000–1837 (mines sealed 1930) |
| Nentsberry Haggs Mine | Cumbria | 19th century–1938 |
| Roddymoor Colliery | County Durham | 1844–10 August 1963 |
| Scraithole Mine | Northumberland | By the 19th century–1981 |
| Settlingstones Mine | Northumberland | By 1670–1969 |
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