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LOT 2789
Polished Tourmaline Specimens
1/8 - 3/8 in. (104 grams total, 5-10 mm).
A quantity of irregular, green and black polished tourmaline stones. [No Reserve]
ProvenanceFrom the stock of Gregory, Bottley & Lloyd (1981-2014); formerly Gregory, Bottley & Co.
(1932-1981) and previously J.R. Gregory & Co. (1898-1932).
Property of a Californian, USA, collector.
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AUCTIONS:
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Cut and Polished Fossil Ammonite
Jurassic Period, circa 199-145 million years B.P.Sold for (Inc. bp): £33
Cut half Cleoniceras sp. ammonite, polished to reveal the distinctive structure of the chambers, some iridescence to the outer shell. 108 grams, 10.4 cm
From Madagascar. 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. -
Polished Mixed Mineral Specimen Group [36]
Sold for (Inc. bp): £20
Comprising polished pebbles of amethyst, tiger's eye, quartz, agate, turquoise, and others. 465 grams total, 21-47 mm
Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK. -
Rock Crystal Quartz Point Group [50]
Sold for (Inc. bp): £33
Prismatic points of various sizes, mostly clear. 937 grams total, 29-70 mm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.