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LOT 2404
Natural History - Large Blue Agate Crystal Cut and Polished Slice
9 in. (663 grams, 23 cm).
In enhanced dark blue colour, the internal cavity with quartz crystals. [No Reserve]
ProvenanceEx Mineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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LOT 2404
Natural History - Large Blue Agate Crystal Cut and Polished Slice
Sold for (Inc. bp): £72
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Natural History - Polished Douvilleiceras Fossil Ammonite Group
Middle Cretaceous Period, circa 150 million years B.P.Sold for (Inc. bp): £26
Comprising three Douvilleiceras sp. (sometimes known as a goat horn) polished to reveal rich calcites and suture patterns. 120 grams total, 45-46 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 - Amethyst Crystal Chunk Group [100]](https://timelineauctions.com/upload/images/items/small/211457-s.jpg)
Natural History - Amethyst Crystal Chunk Group [100]
Sold for (Inc. bp): £26
Comprising mainly dark purple crystal specimens. 1.7 kg total, 27-45 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Large Historic Roman 'Spartan Basalt' Cut & Polished Green Porphyry Sheet
Sold for (Inc. bp): £845
A very large lacquered cut section, mined in Greece, cut and polished on one side, probably recycled material mined in ancient Roman times. 1.01 kg, 32 cm
From Greece. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).
