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![Collection of Ten [10] Cut and Polished Agate Geode Halves](https://timelineauctions.com/upload/images/items/small/251028-s.jpg)
Collection of Ten [10] Cut and Polished Agate Geode Halves
Estimate: £40 - 60 (+bp*)
Opening Bid: £5
Each with one or two cut faces exposing the internal structure, some showing crystal formations. 3.22 kg total, 76-85 mm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
![Group of One Hundred and Eighty [180] Mexican Pyrite Fools Gold Crystal Specimens](https://timelineauctions.com/upload/images/items/small/251103-s.jpg)
Group of One Hundred and Eighty [180] Mexican Pyrite 'Fool's Gold' Crystal Specimens
Estimate: £40 - 60 (+bp*)
Opening Bid: £5
Boxed group of irregular nuggets of pyrite showing metallic lustre. 5.99 kg total including box, 23-42 mm
From Mexico. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Worked Fossilised Megalodon Tooth
Early Pliocene, circa 5-2 million years B.P.Estimate: £300 - 400 (‡+bp*)
Bids: 4 | Current Bid: £20
Showing signs of being polished and with the tip cut at an angle, possibly used as a tool. 293 grams, 11.5 cm
Recovered from the Hawthorn Formation, Broad River, Beaufort County, South Carolina. -
![Large Polished and Felt-Backed Agate Coaster Set of Six [6]](https://timelineauctions.com/upload/images/items/small/251023-s.jpg)
Large Polished and Felt-Backed Agate Coaster Set of Six [6]
Estimate: £20 - 30 (+bp*)
Bids: 1 | Current Bid: £5
In graduating sizes and showing contrasting banding. 756 grams total, 9.7-13.9 cm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Two Large Cut and Polished Slabs of Rare Vintage Blue John Fluorite
Estimate: £40 - 60 (+bp*)
Bids: 6 | Current Bid: £110
Two irregular slabs showing typical purple, blue and white banding. 907 grams total, 25.3-25.5 cm
From the UK. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Lapis Lazuli Bead Necklace String
Estimate: £50 - 70 (+bp*)
Opening Bid: £5
Composed of small cylindrical beads and of seven coin-shaped feature beads; restrung. 38 grams, 32 cm
Ex London, UK, art market 1990s. -
![Group of Five [5] Amethyst and Fluorite Crystal Specimens](https://timelineauctions.com/upload/images/items/small/251108-s.jpg)
Group of Five [5] Amethyst and Fluorite Crystal Specimens
Estimate: £20 - 30 (+bp*)
Opening Bid: £5
Comprising four matrix sections with dark purple amethyst crystals, and a large, cleaved fluorite octahedron; each supplied in a labelled specimen tray. 380 grams total, 58-66 mm
From Uruguay and Illinois, USA. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Fossil Ammonite
Lower Jurassic, Toarcian Stage, circa 182-174 million years B.P.Estimate: £30 - 40 (+bp*)
Opening Bid: £5
A rounded nodule half containing a fossil specimen. 1.15 kg, 12.5 cm
From Whitby, Yorkshire, UK. From a Cambridgeshire, UK, collection.
The specimen is close to Pseudolioceras lythense (Young and Bird). -
A Very Large Quantity of Durango Apatite Crystal Specimens
Estimate: £40 - 60 (+bp*)
Opening Bid: £5
Mainly comprising pale yellow hexagonal crystal sections, some showing red to brown colours. 1.01 kg total including box, 6-20 mm
From Mexico. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
![Collection of Six [6] Cut and Polished Agate Geode Sections](https://timelineauctions.com/upload/images/items/small/251029-s.jpg)
Collection of Six [6] Cut and Polished Agate Geode Sections
Estimate: £40 - 60 (+bp*)
Bids: 1 | Current Bid: £5
Comprising six polished sections, four showing vibrant red to brown to white banding, and having felt-backed bases; one with a cut base and green banding. 2.75 kg total, 12.3-16 cm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Fossil Shark Tooth Display Case
Cretaceous-Eocene Period, circa 70-45 million years B.P.Estimate: £50 - 70 (+bp*)
Bids: 2 | Current Bid: £20
A glazed display case with mounted specimens of various teeth, vertebrae and ray palates, with identifying labels. 950 grams, 24.4 x 34.4 cm
From a Cambridgeshire, UK, collection. -
Madagascan Polished Fossil Ammonite Plate
Jurassic Period, circa 199-145 million years B.P.Estimate: £80 - 100 (+bp*)
Bids: 6 | Current Bid: £30
A circular composite plate composed of overlapping Cleoniceras sp. ammonites. 725 grams, 22.9 cm
From a Cambridgeshire, UK, collection.
