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LOT 1730
Natural History - Lapis Lazuli Bead Necklace
17 3/4 in. (139 grams, 45 cm long).
A graduated string of tumbled natural variegated lapis lazuli pebble beads with clasp. [No Reserve]
ProvenanceUK gallery, acquired in the 2000s.
Property of an English gentleman.
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AUCTIONS:
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Natural History - Very Large Selenite Crystal Specimen
Sold for (Inc. bp): £52
A large selenite crystal 'tower'. 350 grams, 34.5 cm
Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Knightia Fossil Fish
Eocene Period, 56-33 million years B.P.Sold for (Inc. bp): £52
A pair of Knightia alta fossil fish in a matrix. 336 grams, 12.6 x 11 cm
From Wyoming, Green River Formation, U.S.A. Acquired during the 1980s. From the Pradi Collection, Boston, U.S.A.
Seasonally, some 56 million years ago, in the Green River Region of Wyoming, torrential rains fell on the mountains. The rain flowed down the mountain sides, forming wide shallow lakes in the valley below. During the dry season, these lakes evaporated (similar to certain parts of Africa today). Millions of fish died in this short period of time. This climatic cycle happened over a 20-thousand-year period. Layer upon layer of mud was deposited over these years, entombing huge numbers of fish. At a much later date volcanic activity uplifted this area to expose their fossils. -
Natural History - Malachite Crystal Specimen Group
Sold for (Inc. bp): £52
A group of three crystalline malachite specimens; each held in a white card collector's tray. 200 grams total, 58-68 mm
From D.R.Congo. Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's).
