![Group of One Hundred [100] Blue Calcite Mineral Specimens: A large group of light blue calcite specimens from Mexico. 1.06 kg total, 10-35 mm (3/8 - 1 3/8 in.). [100, No Reserve] Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, U](https://p1.liveauctioneers.com/1191/415806/231335329_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£20
-£30
![Mixed Mineral Specimen Collection: A mixed group of seven mineral crystal specimens. 765 grams total, 80-98 mm (3 - 4 in.). [7, No Reserve] Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). TimeLine Auctions follows a](https://p1.liveauctioneers.com/1191/415806/231335508_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£20
-£30
![Three Hundred and Fifty Eight [358] Mahogany Obsidian Mineral Specimens: Boxed group of chocolate brown irregular specimens. 2.35 kg total including box, 16-46 mm (5/8 - 1 3/4 in.). [No Reserve] From Mexico. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory](https://p1.liveauctioneers.com/1191/415806/231335409_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£30
-£40
![Rose Quartz Mineral Chip Group: A large quantity of pink-coloured chips in various sizes. 1 kg total, 1-33 mm (1/8 - 1 1/4 in.). [No Reserve] From Madagascar. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Har](https://p1.liveauctioneers.com/1191/415806/231335488_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£10
-£20
![Congo Malachite Mineral Specimen: A malachite specimen with a polished recess to reveal the banded 'eye' formation. 136 grams total, 57mm (2 1/4 in.). [No Reserve] From the historic ‘Victorian Museum’ or later collection of Gregor](https://p1.liveauctioneers.com/1191/415806/231335505_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£30
-£40
![Large Beryl Mineral Specimen Group [50]: Comprising fifty irregular specimens of rough beryl. 2.53 kg total, 34-58 mm (1 3/8 - 2 1/4 in.). [50, No Reserve] From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Ha](https://p1.liveauctioneers.com/1191/415806/231335372_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£10
-£20
![Large Madagascan Natural Unpolished Fossil Wood Section: Triassic Period, 251-199 million years B.P. A thick slab of agatised wood with some bark detailing on the outside. 1.92 kg, 26.6 cm (10 1/2 in.). [No Reserve] From Madagascar. Ex Mineral Imports, Lond](https://p1.liveauctioneers.com/1191/415806/231335383_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£80
-£100
![Collection of Twenty [20] Mixed Crystal Mineral Specimens: Boxed group of specimens including a hexagonal ruby crystal, pyrite, fluorite, smoky quartz, rock crystal, calcite with sphalerite from Tri-State in USA, amethyst from Uruguay, phantom quartz from Min](https://p1.liveauctioneers.com/1191/415806/231335443_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£50
-£70
![Amethyst Gem Tree on Amethyst Crystal Geode Section: Irregular geode matrix with light purple amethyst crystals; the metal branches tipped with polished light-coloured amethyst pebbles. 422 grams, 16.5 cm (6 1/2 in.). [No Reserve] From Brazil. Ex Minera](https://p1.liveauctioneers.com/1191/415806/231335287_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£20
-£30
![Twenty [20] Assorted Mixed Mineral Specimens: A boxed group of specimens comprising: two geode sections with amethyst, two pyrite specimens, one from Huanuco, Peru; a polished agate half showing 'fortress' type banding; a large smoky quartz cryst](https://p1.liveauctioneers.com/1191/415806/231335389_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£20
-£30
![Collection of Fourteen [14] Amethyst Crystal Geode Display Peaces: Boxed group of light to dark purple amethyst crystals on a matrix, one with crystals formed around a stalagmite. 2.78 kg total including box, 5.1-13 cm (2 - 5 1/8 in.). [14, No Reserve] Ex Mineral Imp](https://p1.liveauctioneers.com/1191/415806/231335448_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£80
-£100
![Amethyst Gem Tree on Amethyst Crystal Geode Section: Irregular geode matrix with light purple amethyst crystals; the metal branches tipped with polished light-coloured amethyst pebbles. 385 grams, 19 cm (7 1/2 in.). [No Reserve] From Brazil. Ex Mineral](https://p1.liveauctioneers.com/1191/415806/231335340_1_x.jpg?height=280&quality=70&sharpen=true&version=1777479005&width=280)
Est.
£20
-£30
![Group of Twenty [20] Mixed Mineral Specimens: A boxed group of minerals comprising: amethyst specimens; red jasper; blue lace agate; a cut and polished agate geode half; sulphur; hematite; rock crystal; light blue topaz pebble; calcite, and other](https://p1.liveauctioneers.com/1191/415806/231335511_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£20
-£30
Est.
£80
-£100
![Manganese Dendrite Landscape Plaque Collection: A group of three sawn rectangular shale specimens, each displaying manganese oxide dendrites to both faces. 340 grams total, 8.8-10.5 cm (3 1/2 - 4 1/8 in.). [No Reserve] Ex Mineral Imports, London, U](https://p1.liveauctioneers.com/1191/415806/231335510_1_x.jpg?height=280&quality=70&sharpen=true&version=1777479005&width=280)
Est.
£30
-£40
![A Collection of Very Large Rock Crystal Mineral Specimens: A boxed group of sizable, clear quartz crystals with pyramidal terminations. 2.85 kg total including box, 6.8-13.5 cm (2 5/8 - 5 3/8 in.). [No Reserve] From Brazil. Ex Mineral Imports, London, UK. Gre](https://p1.liveauctioneers.com/1191/415806/231335385_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£100
-£140
![Large Purple Cut and Polished Agate and Quartz Crystal Geode Slice: A translucent geode slice showing banding on the outer edge and a crystal-lined centre, dyed. 703 grams, 32 cm (12 5/8 in.). [No Reserve] From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley](https://p1.liveauctioneers.com/1191/415806/231335456_1_x.jpg?height=280&quality=70&sharpen=true&version=1777479005&width=280)
Est.
£40
-£60
![Massive Congo Natural Malachite Boulder: Cut section of a boulder showing botryoidal masses. 6.36 kg, 25.5 cm (10 in.). [No Reserve] From the Democratic Republic of Congo, Central Africa. Ex Mineral Imports, London, UK. Gregory, Bottley & Ll](https://p1.liveauctioneers.com/1191/415806/231335501_1_x.jpg?height=280&quality=70&sharpen=true&version=1777479005&width=280)
Est.
£200
-£300
![Group of Twenty [20] Cut and Polished Agate Geode Slices: Comprising twenty transparent to translucent slices, some with a crystalline centre, four dyed. 560 grams total, 5.5-10.8 cm (2 1/8 - 4 1/4 in.). [20, No Reserve] Ex Mineral Imports, London, UK. Grego](https://p1.liveauctioneers.com/1191/415806/231335301_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£30
-£40
![Collection of Three [3] Gift Bagged Kalahari Desert Wind Stones: Comprising three wind-rounded pebbles in hollowed out 'nests'; each with a hessian draw-ribbon pouch. 335 grams total, 47-62 mm (1 7/8 - 2 1/2 in.). [3, No Reserve] From the Kalahari Desert. Ex Minera](https://p1.liveauctioneers.com/1191/415806/231335288_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£30
-£40
![Historic Roman 'Spartan Basalt' Cut and Polished Green Porphyry Sheet Group: Cut and polished sections, mined in Greece, cut and polished on both sides, probably recycled material mined in ancient Roman times. 221 grams total, 11.9-14.5 cm (4 3/4 - 5 3/4 in.). [2, No Reserve]](https://p1.liveauctioneers.com/1191/415806/231335290_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£100
-£140
![Cut and Polished Amethyst Crystal Obelisk Collection: A group of three cut and polished amethyst obelisks; held in a white card collector's tray. 200 grams total, 65-98 mm (2 1/2 - 4 in.). [3, No Reserve] From Brazil. Mineral Imports, London, UK. Gregory](https://p1.liveauctioneers.com/1191/415806/231335449_1_x.jpg?height=280&quality=70&sharpen=true&version=1777480633&width=280)
Est.
£30
-£40
Est. —
$10
![Group of Eight [8] Boxed Quartz and Smoky Quartz Crystal Specimens: Comprising seven polished quartz specimens and one smoky quartz specimen from Brazil. 503 grams total, 40-52 mm (1 5/8 - 2 in.). [8, No Reserve] From Brazil. Ex Mineral Imports, London, UK. Gregory, B](https://p1.liveauctioneers.com/1191/415806/231335452_1_x.jpg?height=280&quality=70&sharpen=true&version=1777475205&width=280)
Est.
£20
-£30
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