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LOT 2538
Polished Fossil Goniatite Ammonite Pair
DEVONIAN PERIOD, CIRCA 417-354 MILLION YEARS B.P.
2 7/8 in. (201 grams total, 73 mm each).
Comprising two Goniatite sp. specimens, each polished to show internal structure. [2, No Reserve]
ProvenanceFrom Atlas Mountains, Morocco, North Africa.
From a Cambridgeshire, UK, collection.
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AUCTIONS:
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Large Fossil Diplomystus Fish Plate
Eocene Period, 58-36 million years B.P.Sold for (Inc. bp): £468
Diplomystus sp. fossil fish on a matrix slab showing good detail to the spine and ribs. 9.4 kg, 46 x 61.5 cm
From a Lincolnshire, UK, collection. -
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Large Rainbow-coloured Carborundum Crystal Display Specimen
Sold for (Inc. bp): £33
A large cluster of silicon carbide showing beautiful iridescence. 1 kg, 16 cm
From the private collection of Kenneth Machin (1936-2020), Buckinghamshire, UK; his collection of antiquities and natural history was formed since 1948; thence by descent.
Carborundum rarely occurs in nature, but is commercially formed by heating carbon and silicon at very high temperatures, producing extremely strong bands of crystals. -
![Complete Unopened Discovery Agate Crystal Geode Collection [3]](https://timelineauctions.com/upload/images/items/small/227851-s.jpg)
Complete Unopened 'Discovery' Agate Crystal Geode Collection [3]
Sold for (Inc. bp): £13
Comprising three rounded geodes, to be cut or cracked open. 460 grams total, 50-65 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
