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LOT 2792
Popcorn Quartz Crystal Display Collection [4]
2 - 4 in. (536 grams total, 4.9-10.2 cm).
Comprising four specimens with popcorn-like formations of white crystals. [4, 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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Large Cut and Polished Puddingstone Display Slab
Sold for (Inc. bp): £143
With two lightly polished and laquered cut faces showing the internal structure of the specimen, approximately 40 mm thick. 2.88 kg, 21.5 cm
From Egypt. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
British Fossil Ammonite Display
Jurassic Period, Toarcian Stage, 184.2-174.7 million years B.P.Sold for (Inc. bp): £20
Comprising three hildoceratids fossils in a display frame. 70 grams total, 12.5 cm including stand
From a Cambridgeshire, UK, collection. -
Meteoritic Tektite Specimen
Sold for (Inc. bp): £59
A tongue-shaped specimen with dimpled surface. 8.44 grams, 44 mm
From Indo-China. Acquired from Friars Square market, Aylesbury, UK, October 2012. 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.
Tektites are lumps of black or dark grey natural glass produced from melted crustal rocks that are caused by large hypervelocity meteorite impacts on sediments.