Brazilian Amethyst Geode Section on Custom Z-Shaped Metal StandEstimate: $800 - $2,000Current Bid - 1 bid$80Hollywood, FLLion and Unicorn4.7(2.6k)
Amethyst Crystal Display with CalciteEstimate: £1,200 - £1,700Starting Bid£1,000Harwich, EssexTimeLine Auctions Ltd.4.6(203)
Agate Geode Display with Quartz CrystalsEstimate: £450 - £650Starting Bid£400Harwich, EssexTimeLine Auctions Ltd.4.6(203)
Stunning Amethyst Geode 7.5 inches tall-Cathedral sliceEstimate: $300 - $600Starting Bid$230Grass Valley, CARHM Galleries
Banded Agate with Amethyst and Quartz CrystalsEstimate: $600 - $800Starting Bid$250Bellerose, NYA M Imperial Inc
Framed Uruguay Amethyst Mineral Specimen Christopher Marley PheromoneEstimate: $2,275 - $2,957Starting Bid$1,750New York, NYBidhaus4.2(886)
Geode - White Quartz Crystal-Lined Half GeodeEstimate: $5 - $10,000Starting Bid$5Thayer, MOCol. Christie Hatman Auctioneers4.3(571)
Geode Heart - Natural White Quartz Crystal SpecimenEstimate: $10 - $10,000Starting Bid$10Thayer, MOCol. Christie Hatman Auctioneers4.3(571)
Crystal Geode Heart - White Quartz Druzy Carved SpecimenEstimate: $10 - $10,000Starting Bid$10Thayer, MOCol. Christie Hatman Auctioneers4.3(571)
Agate with Quartz Crystal Cave Face PolishedEstimate: $400 - $500Starting Bid$150Bellerose, NYA M Imperial Inc
QUARTZ GEODE HALF WHITE CRYSTAL CAVITY MOROCCO STYLE 312 GRAMS 4 INCHEstimate: $5 - $10,000Starting Bid$5Thayer, MOCol. Christie Hatman Auctioneers4.3(571)
Ends in 2d 2hNatural Amber-Toned Botryoidal Quartz Geode Specimen - Display MineralEstimate: $9 - $60Starting Bid$4Mesa, AZChairish Auction House4.4(30)
BLACK AGATE DRUZY FLAME CARVING POLISHED QUARTZ GEODE DISPLAY 282 GRAMSEstimate: $14 - $10,000Starting Bid$14Thayer, MOCol. Christie Hatman Auctioneers4.3(571)
Framed Uruguay Amethyst Mineral Specimen Christopher Marley PheromoneEstimate: $2,275 - $2,957Starting Bid$100New York, NYMynt Auctions4.5(940)
Quartz Crystal Geode Rock SpecimenEstimate: $5 - $10,000Starting Bid$5Thayer, MOCol. Christie Hatman Auctioneers4.3(571)
DYED GEODE HALF GOLD AND PURPLE CRYSTAL CENTER ROUGH OUTER SHELL 108 GRAMSEstimate: $5 - $10,000Starting Bid$5Thayer, MOCol. Christie Hatman Auctioneers4.3(571)
Natural Quartz Crystal Geode Rock Specimen, 155 GramsEstimate: $5 - $10,000Starting Bid$5Thayer, MOCol. Christie Hatman Auctioneers4.3(571)
Geode Amethyst Crystal Cluster Cathedral, 8 Lb Natural StoneEstimate: $80 - $10,000Starting Bid$80Thayer, MOCol. Christie Hatman Auctioneers4.3(571)