Massive, Deep Purple Amethyst Crystal Cluster Geode SpecimenKavanagh Auctions4.7(405)CA$80(3 bids)Aug 29, 2026
Brazilian Amethyst Geode Slice on Polished Banded Stone BaseSwisher Bros. Auction LLC4.4(275)$5Aug 30, 2026
Large Group of One Hundred [100] Amethyst Crystal SectionsTimeLine Auctions Ltd.4.6(202)£5(1 bid)Sep 12, 2026
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