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_900x900.jpg "Natural History - Large Sphalerite, Chalcopyrite and Galena Crystal Specimen")
_200x200.jpg "Natural History - Large Sphalerite, Chalcopyrite and Galena Crystal Specimen")
.jpg "Natural History - Large Sphalerite, Chalcopyrite and Galena Crystal Specimen")
LOT 2424
Natural History - Large Sphalerite, Chalcopyrite and Galena Crystal Specimen
4 1/4 in. (567 grams, 10.9 cm).
With clear quartz crystal clusters; supplied in a cardboard specimen tray. [No Reserve]
ProvenanceMineral Imports, London, UK.
Gregory, Bottley & Lloyd (Gregory's).
TimeLine Auctions follows a vetting process to ensure the authenticity and legality of all items, reinforcing our commitment to integrity and responsible trading. Each antiquity, antique, and coin lot undergoes thorough examination by a vetting committee of at least ten external specialists, professional trade association members, scientists, and archaeologists: Our Vetting Process
AUCTIONS:
TimeLine is a leading auction house specialising in antiquities, ancient art, collectables, natural history, coins, medals, and books. Our auctions offer museums, collectors, historians, and enthusiasts the opportunity to acquire unique and historically significant pieces.
LOT 2424
Natural History - Large Sphalerite, Chalcopyrite and Galena Crystal Specimen
Sold for (Inc. bp): £33
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Natural History - Fossil Mioplosus Fish
Eocene Period, 56-33 million years B.P.Sold for (Inc. bp): £26
Displaying good skeletal detail with some visible teeth, on a rectangular matrix. 482 grams, 16.5 cm
From a Lincolnshire, UK, collection. -
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Natural History - Amethyst Crystal Pyramid Pair
Sold for (Inc. bp): £13
Cut and polished; held in a white card collector's tray. 172 grams total, 9.7-10.2 cm
Very fine condition.
From Brazil. Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - White Pecopteris Fossil Fern Group
Carboniferous Period, 359-299 million years B.P.Sold for (Inc. bp): £13
Contained in a matrix with specimens to both sides. 1.34 kg total, 20-21 cm
From St. Clair, Pennsylvania, U.S.A. Acquired during the 1980s. From the Pradi Collection, Boston, U.S.A.
These fern fossils commonly found in coal-mining areas worldwide. However, the St. Clair ferns are treasured for their rarity and beauty, a result of the fossilised ferns gaining a coating of the mineral pyrophyllite which contrasts with the natural black shale matrix.
