10075 Amethyst, Secret Creek, Kalkarindji Province, Northern Territory October 5, 2019 Steve Australasia Australia Northern Territory Amethyst geode.
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Africa Madagascar ncat OS003 Amethyst, Andilamena Quartz Quarries, Andranotokana Massif, Andilamena, Alaotra-Mangoro, Madagascar May 3, 2023
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