Figure F14. Hematite fronds and an oval growth suggestive of a former botryoidal cavity lining, apparently overgrown by polycrystalline quartz in jasperoid Sample 193-1189B-11R-1 (Piece 3, 14–16 cm; CSIRO 142714). An anhedral pyrite grain at the left has grown across the contact of a wallrock fragment (lower left). Width of view = 1.3 mm. A. Ordinary light. B. Crossed
polarizers.