Versteinerte Holzscheibe | Utah, USA sand stone behavior and ecological interactions of

behavior and ecological interactions of these ancient species

Its physical properties are similar to those of quartz

the crystals can be very valuable as minerals

Versteinertes Holz hat eine Härte von 7 auf der Mohs-Härteskala

Versteinerte Holzscheibe | Utah, USA sand stone behavior and ecological interactions ofOrigin: Utah, USA Age: Triassic, 220 million years Size: H70cm W90cm D4cm Weight: 40 kg Description: This specimen has been cut and polished to show natural voids, preservation of some growth rings and a rich marbling of colors with pink tones typical of this region. Additional information: Petrified woods, fossils formed by the penetration of minerals into the spaces between and within the cells of natural wood, usually silicon dioxide (SiO 2 ) or