SOLD | Versteinerte Holzplatte | Arizona, USA Brazil Origin: Mexico

Origin: Mexico

Such a formation is extremely rare

Cut in Idar-Oberstein

glass-clear crystals were known to the ancient Greeks as krystallos - hence the name crystal or more commonly rock crystal applied to this variety

Additional Information: Ammonites were shelled cephalopods that became extinct about 66 million years ago

SOLD | Versteinerte Holzplatte | Arizona, USA Brazil Origin: MexicoOrigin: Arizona, USA Age: Triassic, 220 million years Size: H58cm W53cm D3cm Weight: 14 kg Description: Araucarioxylon arizonicum from the Triassic (approximately 220 million years ago), cut in cross section and polished to show the rich colors so well known from this locality, with the texture preserved at the edges. Additional Information: Petrified wood samples, fossils formed by the infiltration of minerals into the cavities between and within the