Geologically Significant: New Amethyst Agate Geode Find
A 16+ pound amethyst agate geode found on ‘the Carver’ has recently been cut into 3 pieces, and polished. The geode rind is purple amethyst and approximately 1 1/2″ thick in most places. This thick amethyst rind encircles an approximately 5 1/2″ x 2″ crystal-filled hollow center. The amethyst crystals in the geode center are covered with a secondary surface mineral crystallization of a yellow/beige color. Even more interesting, the yellow/beige mineralization layer coating the amethyst is, in places, coated with a gray/black crystallization layer apparently involving a third type of mineral (I am seeking expert assistance to identify the mineralization involved). The gray/black mineralization layer appears to have intruded into the geode through the rind of the geode, into its center. This intrusion is visible on the photos shown. Amethyst Agate Geode Slice A Amethyst Agate Geode Slice B This specimen is geologically significant because it was […]













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