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LOT 1775
Natural History - A Large Quantity of Rose Quartz Chips
1/8 - 5/8 in. (754 grams total, 1-17 mm).
A large quantity of pink rose quartz chips. [No Reserve]
ProvenanceMineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
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AUCTIONS:
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Natural History - Cut and Polished Agate Crystal Geode Section Group
Sold for (Inc. bp): £13
A group of four colour-enhanced agate geode sections, each with a polished face. 1.7 kg total, 10.3-11.4 cm
Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - 'Guppy' Fossil Fish Plate
Eocene Period, 56-33 million years B.P.Sold for (Inc. bp): £33
A sedimentary matrix displaying at least 11 full and partial fossil 'guppy' fish; a mortality plate. 1.1 kg, 29 cm
Ex Lincolnshire, UK, collection. -
Natural History - Rastellum Fossil Bivalve
Jurassic Period, circa 155 million years B.P.Sold for (Inc. bp): £33
A Rastellum carinatum fossil bivalve; held in a card collector's tray. 105 grams, 61 mm
From Madagascar. Ex Cambridgeshire, UK, collection.
Rastellum carinatum specimens have wide, angled ribs that have led to it being called the 'denture clam'; the zig-zag join between the two shells stopped coarse dirt and debris entering the shell and damaging its soft body. Like modern oysters, it lived in shallow coastal waters including the interstitial zone and fed on food particles that it filtered out of the sea water.
