Quartz

Unknown Owner

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These specimens are some of the most classic Quartz after Calcite pseudomorphs or "casts" from any world locality. With that said, this specimen is a fantastic example showing the perfect scalenohedral form of the previous Calcite crystals which were replaced coated by very small, almost "sugary," gem quality, colorless Quartz crystals. The Calcite crystals were then dissolved away by a solution that entered the pocket at a later date, leaving behind only the Quartz crystal "crust." A wonderful specimen from a district that produced some of the most classic "casts" from all of Colorado. Ex. Richard Kosnar Collection.