Quartz-after-Anhdyrite
specimen number:
3821176
location:
Dawn of Day mine, San Juan Co., Colorado, USA
description:
A tabular crystal of what was once anhydrite 3.0 cm in height now completely replaced by crystallized quartz and set on a matrix of crystallized sparkling gemmy quartz crystals. In the past these have been thought to have been after barite, but studies have proven anhydrite. In great condition.
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