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LOT 2471
Very Large Agate Crystal 'Leonardo Ninja Turtle' Geode Slice
10 7/8 in. (617 grams, 27.5 cm).
A naturally formed marvel displaying dark banding to the outer edges and wide crystal banding to the central areas, two opaque areas of agate resembling an eye mask. [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 2471
Very Large Agate Crystal 'Leonardo Ninja Turtle' Geode Slice
Sold for (Inc. bp): £130
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![Complete Unopened Discovery Agate Crystal Geode Collection [3]](https://timelineauctions.com/upload/images/items/small/227978-s.jpg)
Complete Unopened 'Discovery' Agate Crystal Geode Collection [3]
Sold for (Inc. bp): £7
A trio of rounded geodes, each unopened. 518 grams total, 49-69 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
![Cut and Polished Agate Crystal Geode Half Collection [6]](https://timelineauctions.com/upload/images/items/small/227988-s.jpg)
Cut and Polished Agate Crystal Geode Half Collection [6]
Sold for (Inc. bp): £59
Comprising six geode halves with exposed internal cavity, three displaying amethyst crystals, the others quartz and calcite crystals. 2.36 kg total, 7.5-11 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
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British Fossilised Wood Section
Jurassic Period, circa 199-145 million years B.P.Sold for (Inc. bp): £98
A cut and polished section of fossilised tree. 1.26 kg, 11.5 cm
Fine condition.
From the Isle of Portland, Dorset, UK. Acquired 1950s-1960s. From an old Bristol paleontological collection.
At the base of the Purbeck Formation in Dorset is a layer of rock containing fossil trees that have now been silicified. The trees grew around a saline lagoon that occupied this area towards the end of the Jurassic period. The dominant tree was a large conifer that was adapted to living in what was then a climate of hot, arid summers and warm, wet winters. The growth rings in the wood indicate that a highly seasonal environment prevailed in Southern England during the late Jurassic period. The trees were drowned by the rising waters of the lagoon and many have been preserved in their original positions of growth. At this time Dorset was situated at the same latitude as present-day Malta.
