Figure F91. Possibly dismembered ovoid structure filling the center of the field of view. A thin rind of pyrite (white) encloses chalcopyrite (yellow) and coarse anhydrite (black). The structure in the upper left corner is shown in Figure F90, (in reflected light; width of view = 11 mm. Photomicrograph ID# 1189B

Figure F91. Possibly dismembered ovoid structure filling the center of the field of view. A thin rind of pyrite (white) encloses chalcopyrite (yellow) and coarse anhydrite (black). The structure in the upper left corner is shown in Figure F90 (in reflected light; width of view = 11 mm. Photomicrograph ID# 1189B_36; thin section 113).