Figure F3. Typical fine grain size and fabric of jasperoid in Sample 193-1189A-7R-1 (Piece 17, 99–102 cm; CSIRO 142697; see Fig. F2) consisting of quartz grains with cores clouded by numerous hematite inclusions. Quartz grains adjacent to numerous drusy microcavities possess smaller cores and euhedral habits. A large anhedral pyrite occurs just left of center. Width of view = 1.3 mm. A. Ordinary light. B. Crossed polarizers.