Versteinerte Holzscheibe | Arizona, USA Freeform Minor impurities such as lithium

Minor impurities such as lithium

closely clustered and maintaining their original spatial relationships within the sedimentary matrix

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

which creates these darker lines

Description: A beautiful decorative Aragonite bowl

Versteinerte Holzscheibe | Arizona, USA Freeform Minor impurities such as lithiumOrigin: Arizona, USA Age: Triassic, 220 million years Size: H92cm W79cm T4cm Weight: 67. 5 kg Explanation: This 220 million year old disk of Araucarioxylon arizonicum from Arizona is an absolute masterpiece of nature. The unique combination of colors and the formation of an amethyst geode inside make it a high quality and rare collector's item. Additional Information: Petrified wood consists of fossil wood in which all organic materials have been