What minerals are petrified wood made of? Rupert Hochleitner from the Munich "Kingdom of Crystals" (Mineralogical The Bavarian State Collection Munich describes the relationships between wood and Minerals can stand together. Helmut Mayr from the Bavarian State Collection for Paleontology and historical geology, together with Maximilian Glas from the The editors at extraLapis investigated which minerals are found in fossilized wood. have been found so far The current location The American specialist journalist and gemstone collector Bob Jones from Tucson, Arizona, has visited the world's most exquisite "petrified forest": One of the largest precious opal deposits in the world is located in Virgin Valley, Nevada. United States - the precious opals, some weighing several kilograms, are sourced from obtained from fossilized woods: The finest wood in the world How a forest can even "petrify". The Munich paleobotanist Walter Jung explains the problem of the The term "petrified forest" and describes the various geological history- processes in which pebbles and other fossil woods were formed How fossil woods are identified The Munich wood anatomist Alfred Selmeier gives an overview of the various ways to identify petrified wood. He shows the finest Tissue structures from "prehistoric times" and provides a helpful overview: Coniferous or deciduous, palm or fern? How pebbles and wood bond together Agate specialist Michael Landmesser from the Institute of Geosciences (Mineralogy and Gemstone Research) of the Johann Gutenberg University Mainz, has taken a closer look at the cells of the petrified wood and offers a new Solution to an old and much-discussed problem: On the formation of petrified wood How to start a collection of petrified wood The mineral and fossil dealer Ulrich Dernbach from Heppenheim, himself An enthusiastic collector of fossilized wood explains what to look out for when collecting. and must be taken into account when buying petrified wood. Petrified wood: a collecting area for nature lovers, aesthetes and philosophers. From the scientifically and historically significant collections of fossils Two types of wood were selected for this extra Lapis; both were produced at the beginning of the Established in the 19th century: The Prosper Prince von Sinzendorf Collection (1773-1822) The Heinrich Cotta Collection (1763-1844) Why fossil woods are so fascinating Munich photographer Konrad Götz has been interested in this subject since his youth. Dedicated to the landscape. In the petrified woods he found fascinating, mythical primeval landscapes and created images that take us from the scientifically comprehensible To take reality into a new dimension. Images in wood With cover, 100 pages in lapis format (21 x 30 cm). Published: 1994