Quartz epimorph after Anhydrite (rare Colorado) Murray Coll.

Item Description

A sculptural large delta wing jet-like cast of sparkly quartz after platy anhydrite crystals from Ouray. "This pocket produced very large (to 15 cm each) of quartz casts (epimorphs) after anhydrite, most likely (labeled as after barite for many years). The clear to milky quartz and pristine casts make it one of the best in the world for such casts. The small pocket was cleaned out in early 1990s by Colorado collectors. The OS stands for "Oh, shit," a reasonable exclamation upon pulling out such perfect, large examples" (MINDAT). Complete all-around. The top edge is pristine. The contact/attachment along one lower edge is certainly only a very modest detraction to this striking piece. RARE, classic and highly desirable Colorado quartz. Seldom on the market from this small pocket.