Roselite with Talmessite

specimen number:
2341144

location:
Aghbar Mine, Tansifte Caidat, Agdz Cercle, Zagora, Draa-Tafilalet, Morocco

description:
An outstanding large display quality example for the species, the entire front of this matrix is completely covered with deep purplish red lustrous crystals of roselite measuring to 0.6 cm in size. In great condition. Minor talmessite present as well. The specimen comes with a previous label from the collection of Jan Erik Larsen and dates to 2013.

The Aghbar Mine, located within the Bou Azzer district of the Anti-Atlas mountains in Morocco, is part of a premier cobalt and nickel mining region with industrial exploration and extraction ramping up significantly under twentieth-century colonial and modern state operations. Geologically, the deposit is situated within the central part of the Bou Azzer-El Graara inlier, where Cryogenian serpentinite masses are faulted against Ediacaran volcanic and sedimentary formations, creating complex hydrothermal vein systems. Mineralogically, the mine is world-famous among collectors and researchers for yielding exceptional secondary arsenate and cobalt-bearing species, most notably brilliant purple roselite, calcite, and wendwilsonite, alongside rich assemblages of primary cobalt and nickel arsenides.

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