Cobaltoan Calcite from Oumlil Mine, Bou Azzer, Morocco
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This is a phenomenal piece of cobaltoan calcite that comes from the Oumlil Mine in Oumlil, a part of the Bou Azzer region in Morocco. It has calcites drusies on the faces of the larger calcite crystals which give it a pretty shimmering effect. Cobaltoan calcite gets its pink color from cobalt. Usually cobalt is a blue color, but when it oxidizes in the calcite it turns a vibrant pink.