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![Natural History - Polished Amethyst Crystal Pyramid Group [5]](https://timelineauctions.com/zoom_images/zoomthumb/2/0/207918_900x900.jpg "Natural History - Polished Amethyst Crystal Pyramid Group [5]")
![Natural History - Polished Amethyst Crystal Pyramid Group [5]](https://timelineauctions.com/zoom_images/zoommap/2/0/207918_200x200.jpg "Natural History - Polished Amethyst Crystal Pyramid Group [5]")
![Natural History - Polished Amethyst Crystal Pyramid Group [5]](https://timelineauctions.com/upload/images/items/207918.jpg "Natural History - Polished Amethyst Crystal Pyramid Group [5]")
LOT 2191
Natural History - Polished Amethyst Crystal Pyramid Group [5]
7/8 - 1 1/8 in. (105 grams total, 22-30 mm).
All freestanding and with polished sides; each in a cardboard specimen tray. [5, No Reserve]
ProvenanceFrom Brazil.
Ex Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
TimeLine Auctions follows a vetting process to ensure the authenticity and legality of all items, reinforcing our commitment to integrity and responsible trading. Each antiquity, antique, and coin lot undergoes thorough examination by a vetting committee of at least ten external specialists, professional trade association members, scientists, and archaeologists: Our Vetting Process
AUCTIONS:
TimeLine is a leading auction house specialising in antiquities, ancient art, collectables, natural history, coins, medals, and books. Our auctions offer museums, collectors, historians, and enthusiasts the opportunity to acquire unique and historically significant pieces.
LOT 2191
Natural History - Polished Amethyst Crystal Pyramid Group [5]
Sold for (Inc. bp): £13
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![Natural History - Pink Dolomite Crystal Specimen Group [100]](https://timelineauctions.com/upload/images/items/small/208054-s.jpg)
Natural History - Pink Dolomite Crystal Specimen Group [100]
Sold for (Inc. bp): £1
Comprising small and larger pieces of pink dolomite, some with small pyrite crystals. 765 grams total, 20-40 mm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Polished Douvilleiceras Fossil Ammonite Group
Middle Cretaceous Period, circa 150 million years B.P.Sold for (Inc. bp): £52
Comprising three Douvilleiceras sp. (sometimes known as a Goat Horn) polished to reveal rich calcites and suture patterns. 157 grams total, 45-54 mm
From the North-East Coast of Madagascar in the jungles of Mahajanga. Acquired 1950s-1960s. From an old Bristol, UK, palaeontological collection. -
![Natural History - Polished Agate Crystal Slice Group [10]](https://timelineauctions.com/upload/images/items/small/207941-s.jpg)
Natural History - Polished Agate Crystal Slice Group [10]
Sold for (Inc. bp): £20
Each cut to expose the internal banding of the geode, some with crystalline centre. 1.04 kg total, 10.8-13 cm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).
