![Quartz Gem Tree on Amethyst Crystal Geode Section: Irregular geode matrix with light purple amethyst crystals; the metal branches tipped with polished quartz pebbles. 662 grams, 18 cm (7 in.). [No Reserve] From Brazil. Ex Mineral Imports, London, UK.](https://p1.liveauctioneers.com/1191/426518/237925176_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
![Group of Three [3] Large Pale Amethyst and Quartz Crystal Sections: Comprising three geode sections, two with pale purple amethyst crystals and one with almost colourless quartz crystals. 1.63 kg total, 9.1-17.6 cm (3 5/8 - 7 in.). [3, No Reserve] From Brazil. Ex Mine](https://p1.liveauctioneers.com/1191/426518/237925200_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£30
-£40
TimeLine Auctions Ltd.Harwich, Essex
Est.
US$7,600
-US$11,400
IntervendueMIAMI, FL
![Coloured Quartz Composite Nodule: Composite nodule with enhanced green crystals. 115 grams total, 53-56 mm (2 1/8 - 2 1/4 in.). [2, No Reserve] From a Cambridgeshire, UK, collection. TimeLine Auctions follows a rigorous vetting proces](https://p1.liveauctioneers.com/1191/426518/237925312_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
![Group of Three [3] Quartz and Amethyst Crystal Sections: Comprising three irregular specimens with small prismatic crystals. 1.57 kg total, 14-16 cm (5 1/2 - 6 1/4 in.). [3, No Reserve] From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (](https://p1.liveauctioneers.com/1191/426518/237925220_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£30
-£40
TimeLine Auctions Ltd.Harwich, Essex
![Large Group of One Hundred [100] Rock Crystal Quartz Specimens: Comprising mainly twinned and intergrown prismatic crystals. 1.27 kg total, 28-42 mm (1 1/8 - 1 5/8 in.). [100, No Reserve] From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Grego](https://p1.liveauctioneers.com/1191/426518/237925130_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£20
-£30
TimeLine Auctions Ltd.Harwich, Essex
![Group of Twenty Nine [29] Large Rock Crystal Quartz Specimens: Boxed group of mainly prismatic colourless specimens, some twinned and three specimens with dark dendritic inclusions. 2.93 kg total, 45-88 mm (1 3/4 - 3 1/2 in.). [29, No Reserve] From Brazil. Ex Min](https://p1.liveauctioneers.com/1191/426518/237925252_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£40
-£60
TimeLine Auctions Ltd.Harwich, Essex
![Group of Fourteen [14] Large Amethyst and Smoky Quartz Crystal Points: Group of fourteen pyramidal points. 2.88 kg total, 58-84 mm (2 1/4 - 3 1/4 in.). [14, No Reserve] From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. TimeLi](https://p1.liveauctioneers.com/1191/426518/237925313_1_x.jpg?height=280&quality=70&sharpen=true&version=1785755501&width=280)
Est.
£50
-£70
TimeLine Auctions Ltd.Harwich, Essex
Est.
US$30,178
-US$39,231
Diamond DepotNew York, NY
Est.
US$5,200
-US$7,800
IntervendueMIAMI, FL
Est.
US$8,972
-US$10,028
Modern JewelryValley Village, CA
FEATURED
Est.
US$4,000
-US$5,000
Jasper52New York, NY
Est.
US$7,000
-US$8,000
Jasper52New York, NY
Est.
US$6,791
-US$7,590
Modern JewelryValley Village, CA
Est.
US$6,999
-US$7,822
Modern JewelryValley Village, CA
Est.
US$7,973
-US$8,911
Modern JewelryValley Village, CA
Est.
US$6,791
-US$7,590
Modern JewelryValley Village, CA
Est.
US$2,200
-US$3,300
IntervendueMIAMI, FL
Est.
US$4,639
-US$5,185
Modern JewelryValley Village, CA
Est.
US$4,241
-US$4,740
Modern JewelryValley Village, CA
Est.
US$4,200
-US$6,300
IntervendueMIAMI, FL
Est.
US$4,241
-US$4,740
Modern JewelryValley Village, CA
Est.
US$9,199
-US$10,282
Modern JewelryValley Village, CA
Est.
US$3,900
-US$5,850
IntervendueMIAMI, FL
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