Photo MO-03 (M. Polliand, 1998). Euhedral arsenopyrite with pyrrhotite, pyrite and sphalerite. Dale Head, North vein. England. Parallel nicols. 1.33 mm.
Copyright © 1999 Dept of Mineralogy. All Rights Reserved.
Photo MO-03 (M. Polliand, 1998). Euhedral arsenopyrite with pyrrhotite, pyrite and sphalerite. Dale Head, North vein. England. Parallel nicols. 1.33 mm.
Copyright © 1999 Dept of Mineralogy. All Rights Reserved.
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