Extraordinary Giant Iridescent Ammonite Fossil

FOSSILISED TYRANNOSAURUS REX TOOTH Circa 67 million years ago H. 12.5 cm x W. 4.2 cm PROVENANCE Found in Butte County, South Dakota, USA, Summ...

Oriented Chondrite Meteorite Circa 4.56 Billion y/o Chondrite 24 x 20 cm, 28 cm tall on base 7.1 kg A sculptural and beautifully weathered chondrite meteorite; upon entering the atmosphere, this extraterrestrial stone would have heated the surrounding air to a temperature of over 1700 C, higher than that of the hottest lava on the planet, and enough to melt away its outer layers, leaving its surface rippled with regmaglypts, thumb-shaped impressions formed as superheated rock streaked off of the main body as it careened toward the earth. The last layer of the rock to melt would have re-solidified as the meteorite made impact, forming a charcoal coloured fusion crust, which has taken on a deep ochre-tinted patina. Chondrite meteorites such as this example were formed at the very beginning of our solar system, by the accretion of various types of dust and small grains, adrift in the vacuum of space and, as such, provide important clues about the birth of our own planet. This piece is an especially rare specimen, known as an oriented meteorite...

A complete prehistoric Cleoniceras opalised iridescent ammonite fossil, originating from Madagascar, presented on an exclusive muse...

A superb set of 7 ancient prehistoric ammonite fossils presented on our small turned painted plaster bases. This group showcases ammonites of varyi...