Figure F119. Complex vein composed of chlorite and titanite at the wall; subhedral pyrite, euhedral quartz, and euhedral pistachite at the center; and late prehnite (colorless, with one cleavage) (Thin Section 111; Sample 309-1256D-136R-1, 121–123 cm) (field of view = 2.5 mm; plane-polarized light). Large euhedral pyrite crystals on lower part of image are related to another part of this complex vein.
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