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LOT 2324
Large Cut and Polished Banded Agate Crystal Geode Slice
9 3/4 in. (575 grams, 24.6 cm).
Thick slice of 'fortress' agate with grey, brown, black and orange banding, the internal cavity lined with small pale purple amethyst crystals. [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 2324
Large Cut and Polished Banded Agate Crystal Geode Slice
Estimate £30 - 40€35 - 46 (for guidance only)$41 - 54 (for guidance only)
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Knightia Multiple Fossil Fish Plate
Eocene Period, circa 58-36 million years B.P.Estimate: £30 - 40 (+bp*)
Bids: 1 | Current Bid: £5
An oval plate with four Knightia alta specimens. 161 grams, 13.8 cm
From Wyoming, USA. From a Lincolnshire, UK, collection.
In southwest Wyoming (and parts of Colorado and Utah), in the Green River Formation, are found some of the world's most outstanding specimens of fossil fish. The Green River system was composed of three lakes: Lake Uinta, Lake Gosiute and Fossil Lake. These Eocene lakes lay in a series of intermountain basins formed by geological events that uplifted the Rocky Mountains during the early Tertiary time. The climate was much different from the desert-like climate of this area today. Both the fauna (crocodiles, alligators, boa constrictors and some subtropical fish families) and the flora (such as large palm trees) indicate a climate much like that found along the Gulf Coast today. Large amounts of ash found in the sediments indicate that volcanoes were particularly active at this time. -
3.95 Carat Rough Natural Sapphire Crystal
Estimate: £50 - 70 (+bp*)
Bids: 2 | Current Bid: £10
Opaque dark blue crystal showing lamellar twinning. 0.79 grams, 9 mm
Property of an Essex, UK, gentleman. -
Bactrian Style Lapis Lazuli Bead Necklace String
Estimate: £50 - 70 (+bp*)
Opening Bid: £5
Composed of tubular and coin-shaped beads, restrung. 48 grams, 37 cm
Acquired in the 1990s-early 2000s. Ex London, UK, collection.
