Versteinerte Holzscheibe Längsrichtung | Arizona, USA point Origin: Madagascar

Origin: Madagascar

Additional Information: Obsidian is a naturally occurring volcanic rock glass formed by the rapid cooling of viscous lava from volcanoes

Zusätzliche Informationen: Die Fossilienfundstätte Holzmaden ist eine wissenschaftliche Fundgrube

Its physical properties are the same as quartz

Versteinerte Holzscheibe Längsrichtung | Arizona, USA point Origin: MadagascarOrigin: Arizona, USA Age: Triassic, 220 million years Size: H57cm W147cm D3cm Weight: 24kg Description: Araucarioxylon arizonicum, cut lengthwise and polished to reveal the spectrum of colors for which the site is famous. The texture on the edges is preserved. Additional information: Petrified wood, fossil formed by the penetration of minerals into the cavities between and within the cells of natural wood, usually silica (silicon dioxide, SiO2) or