![Bismuth Crystal Specimen: Cluster of hopper crystals exhibiting a stairstep crystal structure and iridescent colours. 18.7 grams, 40 mm (1 1/2 in.). [No Reserve] From a Cambridgeshire, UK, collection. TimeLine Auctions follows](https://p1.liveauctioneers.com/1191/415806/231335387_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est. £20-£30
Results for “Crystal Specimens”
![Bismuth Crystal Specimen: Cluster of hopper crystals exhibiting a stairstep crystal structure and iridescent colours. 20.5 grams, 45.4 mm (1 3/4 in.). [No Reserve] From a Cambridgeshire, UK, collection. TimeLine Auctions follo](https://p1.liveauctioneers.com/1191/415806/231335363_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est. £20-£30
Est. US$25-US$50
![Purple Amethyst Crystal Geode Specimen Group [20]: Comprising irregular geode sections lined with lavender to dark purple amethyst crystals. 1.36 kg total, 40-84 mm (1 1/2 - 3 1/4 in.). [20, No Reserve] From Brazil. Ex Mineral Imports, London, UK. Gre](https://p1.liveauctioneers.com/1191/415806/231335470_1_x.jpg?height=280&quality=70&sharpen=true&version=1777480633&width=280)
Est. £10-£20
![Selenite Crystal Wand Specimen Group: A group of twenty selenite wands with pearly lustre. 460 grams total, 53-74 mm (2 - 3 in.). [20, No Reserve] Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). TimeLine Auctions follow](https://p1.liveauctioneers.com/1191/415806/231335461_1_x.jpg?height=280&quality=70&sharpen=true&version=1777480633&width=280)
Est. £20-£30
Est. US$2,400-US$2,600
Est. US$2,200-US$2,300
Est. US$999-US$1,200
Est. US$500-US$600
Est. US$800-US$900
Est. US$800-US$900
Est. US$800-US$900
Est. US$900-US$2,000
Est. US$1,200-US$1,400
Est. US$400-US$500
Est. US$500-US$600
Est. US$700-US$800
Est. US$700-US$900
Est. US$800-US$900
Est. US$330-US$400
Est. US$400-US$500
Est. US$340-US$400
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