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_900x900.jpg "Polished Amethyst Crystal Display with Calcite")
_200x200.jpg "Polished Amethyst Crystal Display with Calcite")
.jpg "Polished Amethyst Crystal Display with Calcite")
LOT 2916
Polished Amethyst Crystal Display with Calcite
14 in. (12 kg, 35.5 cm).
A free-standing polished geode section lined with dark purple amethyst crystals, calcite with small black crystals to one side.
ProvenanceFrom Artigas, Uruguay.
Property of a London lady.
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 2916
Polished Amethyst Crystal Display with Calcite
Estimate £1,500 - 2,000€1,740 - 2,320 (for guidance only)$2,030 - 2,700 (for guidance only)
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Fossil Mahoumacrinus Crinoid Plate
Devonian Period, circa 400 million years B.P.Sold for (Inc. bp): £26
On a tongue-shaped matrix showing part of the stalk and calyces. 797 grams, 19.1 cm
From a Cambridgeshire, UK, collection. -
Large Mosasaur 'Marine Dinosaur' Fossil Tooth with Natural Root
Cretaceous Period, circa 145-65 million years B.P.Sold for (Inc. bp): £111
The tooth showing dark brown enamel, set in a sandstone matrix with a composite root for display. 562 grams, 14.5 cm
From Morocco, North Africa. From a Cambridgeshire, UK, collection.
The Mosasaur is an extinct, large marine reptile dinosaur with an elongated body, long snout and paddle-like limbs. Found worldwide, they competed with other well-known sea predators of the Late Cretaceous, such as plesiosaurs and ichthyosaurs, for food, existing primarily on a diet of ammonoids, cuttlefish and fish. -
![Group of Ten [10] Cut and Polished Agate Geode Slices](https://timelineauctions.com/upload/images/items/small/251115-s.jpg)
Group of Ten [10] Cut and Polished Agate Geode Slices
Sold for (Inc. bp): £52
Comprising ten translucent slices of agate showing attractive banding, one a moss agate slice. 666 grams total, 8.1-13.2 cm
From Brazil. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's), Harwich, UK.
