Versteinerte Holzscheibe Längsrichtung | Arizona, USA Green um die inneren Kammern zu

um die inneren Kammern zu offenbaren

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

Their geometry and beauty have captured the human imagination since the Middle Stone Age

Es ist weniger häufig als Malachit

Versteinerte Holzscheibe Längsrichtung | Arizona, USA Green um die inneren Kammern zuOrigin: 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