• Arseniopleite
  • Arseniopleite


ID: CC14708
Arseniopleite is an extremely rare sodium-calcium-double manganese arsenate and this excellent example is from its type locality at Sjögruvan near the town of Grythyttan, Hällefors, Västmanland, in southern Sweden. The Arseniopleite forms dozens of translucent cherry red crystals of between 1 and 1.5 mm over one surface of a mottled mid to dark tan chert-like matrix. The small mine at Sjögruvan operated for just three years from 1886 to 1889 throughout which it produced 303 tonnes of manganese and 85 tonnes of iron ore. When abandoned, the mine was only 16 m (53 ft) deep. Remarkably, for such a small mine and short working life, it is type locality to four species (arseniopleite, aanganberzeliite, melanostibite and örebroite).

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8.5 × 4.4 × 3.3 cm
Latest Additions, Phosphates, Arsenates and Vanadates, Rare Minerals
Sjögruvan, Grythyttan, Hällefors, Västmanland, Sweden

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