Figure F87. Quartz vein with chalcopyrite diseased sphalerite (medium gray) and chalcopyrite (yellow) intergrown with pyrite (white) (Sample 193-1189A-2R-1 [Piece 15, 113-115 cm]; in reflected light; width of view = 0.28 mm. Photomicrograph ID# 1189A_65; thin section 33).