Figure F117. Vein of chlorite (green to left; stage 1); euhedral quartz, pyrite, and pistacite (stage 2); and calcic zeolite (laumontite or heulandite, two cleavages; stage 3) (Thin Section 133; Sample 309-1256D-149R-1, 76–78 cm) (field of view = 2.5 mm; plane-polarized light).
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