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LOT 2538
Aventurine Gem Tree on Amethyst Crystal Geode Section
7 in. (723 grams, 18 cm).
Irregular geode matrix with purple amethyst crystals; the metal branches tipped with polished dark and light green aventurine quartz pebbles. [No Reserve]
ProvenanceFrom Brazil.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
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AUCTIONS:
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LOT 2538
Aventurine Gem Tree on Amethyst Crystal Geode Section
Estimate £20 - 30€23 - 35 (for guidance only)$27 - 41 (for guidance only)
Opening Bid
£5 (EUR 6; USD 7) +BP*
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Mosasaur 'Marine Dinosaur' Tooth with Root
Cretaceous Period, circa 145-66 million years B.P.Estimate: £40 - 60 (+bp*)
Opening Bid: £5
A Mosasaur prognathodon tooth with some root, showing good enamel; repaired. 120 grams, 13.2 cm
From a Cambridgeshire, UK, collection. -
![Group of Twenty-Two [22] Agate Crystal Geode Halves and Rock Crystal Quartz Points](https://timelineauctions.com/upload/images/items/small/255979-s.jpg)
Group of Twenty-Two [22] Agate Crystal Geode Halves and Rock Crystal Quartz Points
Estimate: £30 - 40 (+bp*)
Opening Bid: £5
Comprising nine prismatic rock crystal points with pyramidal terminations, and thirteen agate specimens, some with crystal-lined interiors. 1.78 kg total, 2.8-10.2 cm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
![Group of Thirty-Two [32] Cut Half Agate Geode and Blue Calcite Mineral Specimens](https://timelineauctions.com/upload/images/items/small/255989-s.jpg)
Group of Thirty-Two [32] Cut Half Agate Geode and Blue Calcite Mineral Specimens
Estimate: £20 - 30 (+bp*)
Opening Bid: £5
Boxed group of cut agate geodes, most with crystal-lined cavities, and pale-blue calcite specimens. 1.85 kg total, 29-52 mm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
