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Roselite-beta: Ca2(Co,Mg)(AsO4)2·2(H2O)
Comments: Clear, rose-colored roselite-beta crystalline grains. Location: Bou Azzer, Anti-Atlas Mountains, Morocco. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Comments: Deep red, well crystallized roselite-beta covering a small pocket in white calcite. Location: Ahrbar, Bou-Azzer area. Scale: 7 x 4 x 4.5 cm. © Fabre Minerals