Quartz-after-Apophyllite with Epidote, Prehnite

specimen number:
8811107

location:
Baga diggings, near Bindougou, Kayes, Mali

description:
Quite interesting specimen showing crystals of what were once apophyllite measuring to 1.0 cm in size, these now replaced by colorless quartz, and scattered across the top of an epidote crystal matrix. Minor prehnite present as well.

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