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A unique amethyst cutbase featuring muted brown and purple crystal tones beneath a heavy coating of small cubic calcite crystals
Originally collected by the paleontologist Tyree Lamph
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Inclusions/veins: Iron-oxide minerals (hematite/goethite) in rust to chocolate streaks
Rich purple crystals
Large Juicy Amethyst with Dissolution-Etched Calcite- Uruguay | River Walkers Minerals Statement mineral A unique amethyst cutbase featuringWeight: 1,817 g Dimensions: 6. 3 x 4. 7 x 5. 2 inches Locality: Artigas, Uruguay This amazing cutbase specimen from Artigas, Uruguay contains rich, juicy purple amethyst crowned by a large calcite crystal that has been naturally etched into delicate, paper thin sheets. The unusual bladed texture is believed to be the result of hydrothermal dissolution, giving the calcite a sculptural, feather like appearance that is rarely seen. The vibrant amethyst
