Arsenic

Symbol	As

This is a short overview. For the background — history, value over time and notable mines — see Arsenic →

Occurs in: Hydrothermal Deposits, Veins and Lodes →

A brittle semi-metal, recovered mainly as a by-product of tin and copper smelting by roasting arsenical ores (notably arsenopyrite) and condensing the fumes. Once produced in quantity in Cornwall for pesticides, glassmaking and pigments, despite its toxicity.

Mines

Show these mines on the map

Mine	Region	Worked
Bedford United Mine	Devon	1841–1890
Belstone Mine	Devon	1829–1891
Botallack Mine	Cornwall	1500s–1895
Carn Brea Mine	Cornwall	1832–1913-14
Carrock Fell Mine	Cumbria	1854–1981
Cligga Head	Cornwall	pre-1825–1945
Consolidated Mines	Cornwall	1782–1870
Cook's Kitchen Mine	Cornwall	By early 18th century–1913
Danescombe Mine	Cornwall	Before 1837–After 1900
Devon Great Consols	Devon	1844–1903
Devon United Mine	Devon	From about 1820–1923
Dolcoath Mine	Cornwall	1720s–1920
Drakewalls Mine	Cornwall	Medieval–c. 1910
East Pool Mine	Cornwall	1698–1945
Gawton Mine	Devon	Before 1846–1902–03 (arsenic works)
Gunnislake Clitters Mine	Cornwall	c. 1820–1919
Holmbush Mine	Cornwall	Probably early 1600s–1892
Ivy Tor Mine	Devon	from 1840s
Killifreth Mine	Cornwall	1826–1927
Kit Hill Mine	Cornwall	From 15th-16th centuries–1884 (main working ceased)
Levant Mine	Cornwall	1787–1930
New Consols Mine	Cornwall	From the 19th century–1953
Okeltor Mine	Cornwall	Around 1845–1887
Penberthy Croft Mine	Cornwall	1798–Late 1840s
Poldice Mine	Cornwall	By 1512–1930
Prince of Wales Mine	Cornwall	1580–1977
Redmoor Mine	Cornwall	1700–1945
South Polgooth Mine	Cornwall	1593–1916
Tresavean Mine	Cornwall	1737–1928
Wheal Agar	Cornwall	from By 1883
Wheal Betsy	Devon	1740–1877
Wheal Busy	Cornwall	16th century (earliest working)–1924
Wheal Fanny	Devon	1845–1903
Wheal Fortune	Cornwall	1855–1912
Wheal Friendship	Devon	late 18th century–1950s
Wheal Gorland	Cornwall	1792–1864
Wheal Jane	Cornwall	1861–1991
Wheal Jewell	Devon	Late 18th century–Around 1924
Wheal Maid	Cornwall	1782–1870s
Wheal Metal	Cornwall	15th century–1877