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LOT 2136
Natural History - Agate Necklace Bead Group
20TH CENTURY A.D.
1/2 - 5/8 in. (197 grams total, 14-17 mm).
Comprising thirty banded black and white agate spheres with some natural strata and some treated to show contrasting strata around the equator; all pierced for stringing. [35, No Reserve]
ProvenanceUK gallery, early 2000s.
CONDITIONTimeLine 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:
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Natural History - Fossil Barrandei Trilobite
Devonian Period, circa 417-354 million years B.P.Sold for (Inc. bp): £59
Metacanthina barrandei on a matrix. 231 grams, 85 mm
From the Atlas Mountains, Hamar Laghdad Formation, Pragian, (Alnif), Morocco. From an old Oxfordshire, UK, fossil and mineral collection. -
![Natural History - Boxed Realgar Orpiment Specimen Group [20]](https://timelineauctions.com/upload/images/items/small/207953-s.jpg)
Natural History - Boxed Realgar Orpiment Specimen Group [20]
Sold for (Inc. bp): £33
Each set on a foam base within a labelled carboard tray. 329 grams total, 23-27 mm
From Getchel, Nevada, USA. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Campo Del Cielo Iron Meteorite Pair
Fell 6000-5000 years B.P.Sold for (Inc. bp): £65
Comprising two iron Campo Del Cielo (IAB) meteorites. 3.7 grams total, 10-11 mm
From Chaco Province, Argentina, found 1576. Property of an East Sussex, UK, gentleman.
A crater field of roughly 26 craters was found in the vicinity of this crater, which is estimated to date to 4-5 thousand years BP. The age of the meteorite itself is thought to be c.4.5 billion years, formed as part of the development of this solar system. The largest two fragments, the 30.8 ton Gancedo and 28.8 ton El Chaco, are among the heaviest meteorite masses ever recovered on Earth. In 1576, the governor of a province in Northern Argentina commissioned the military to search for a large mass of iron, which it was believed the local people claimed had fallen from the sky and which they used for their weapon production. The expedition discovered a large mass of metal which was assumed to be an iron mine and brought back a few samples, which were described as being of unusual purity. Following the legends, in 1774 Don Bartolomé Francisco de Maguna rediscovered the iron mass. He himself did not believe that the stone had fallen from the sky and assumed that it had formed by a volcanic eruption. However, he sent the samples to the Royal Society of London. In 1990 it became protected by law.
