Loading, please wait...
LOT 2548
Natural History - Aventurine Gem Tree on Amethyst Crystal Geode Section
6 7/8 in. (691 grams, 17.5 cm high).
Irregular geode matrix with purple amethyst crystals; the metal branches tipped with polished dark and light green aventurine pebbles. [No Reserve]
ProvenanceFrom Brazil.
Ex Mineral 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 2548
Natural History - Aventurine Gem Tree on Amethyst Crystal Geode Section
Sold for (Inc. bp): £13
-
Natural History - Fossil Mosasaur 'Marine Dinosaur' Vertebra, Ribs and Jaw
Cretaceous Period, circa 145-65 million years B.P.Sold for (Inc. bp): £780
Comprising various bone and rib fragments, a large vertebra and jaw fragments with teeth from Mosasaur prognathodon sp.; on a sandstone matrix with applied plaster reinforcement to allow it to be displayed. 12.8 kg, 46 cm
From a Cambridgeshire, UK, collection.
The Mosasaur is an extinct, large marine reptile dinosaur with a snake-like 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. -
Natural History - Large Historic Roman 'Spartan Basalt' Cut & Polished Green Porphyry Sheet
Sold for (Inc. bp): £845
A very large lacquered cut section, mined in Greece, cut and polished on one side, probably recycled material mined in ancient Roman times. 1.01 kg, 32 cm
From Greece. Ex Mineral Imports, London, UK. Gregory, Bottley & Lloyd (Gregory's). -
Natural History - Fossil Kingii Trilobite Group
Middle Cambrian Period, circa 505 million years B.P.Sold for (Inc. bp): £20
Three Elrathia kingii specimens, each on an irregular matrices. 230 grams total, 5.8-10.3 cm
From U-Dig Quarry, Utah, U.S.A. From a Lincolnshire, UK, collection.
