1,989円 Tanto si se trata de piedras preciosas (diamantes, esmeraldas, rubíes o zafiros) como semipreciosas (aguamarina, cornalina, turquesa, sanguina, etc.), llamativas concreciones vegetales (ámbar, azabache) o animales (marfil, conchas), o bien creaciones del fondo del océano (perlas, corales), todas ...

310円 In "Aus Berg und Tal" entfaltet Ulrich Kiebler eine eindringliche Erzählung, die die Emotionen und Herausforderungen des menschlichen Daseins in einer facettenreichen Landschaft thematisiert. Die feinfühlige Prosa spiegelt den Einfluss der Natur auf das Leben der Protagonisten wider, während Kieb...

310円 In "Geologische Beobachtungen über die Vulcanischen Inseln" präsentiert Charles Darwin eine akribische Analyse seiner Reisen zu den vulkanischen Regionen, insbesondere den Galápagos-Inseln. Der Text vereint präzise wissenschaftliche Beobachtungen mit einer poetischen Prosa, die den Leser mit der ...

1,617円 Dive into the fascinating world of coastal wildlife with this holiday pocket guide. Featuring 40 beautifully illustrated pebbles, shells, crabs, small sea creatures and more, discover more about life between the tides with The Little Guide to Shorelines. Each entry has been delicately illustrated...

3,560円 Explore Earth's natural treasures, from their primeval origins to traditional uses and modern-day appeal with this illustrated guide to rocks, minerals, crystals, gems and more! Featuring sparkling crystals, vibrant gemstones, and other precious materials often prized for their beauty, such as am...

1,990円 Amber is a fossilized plant resin from millions of years ago, a mixture of organic and inorganic compounds. It can be classified as a mineraloid, i.e. a natural substance different from minerals. It contains groups of various elements and mixtures of chemical compounds. Mineraloids include pearls...

662円 Fossils record the important changes that happened to Earth over time. Over the course of many years, palaeontologists have unearthed fossilized remains of plans, animals and even humans. All these have helped create a better picture of the ancient Earth. In this book, you will read about the mos...

97円 This book contains stories on early Australian diamond discoveries, and also includes details on how to identify the diamonds you find. The information included has come from early original newspaper sources. Through the passage of time, many Australian diamond locations have been forgotten. The ...

97円 This book contains a wealth of information on the physical and optical properties of gemstones. It covers in great detail each facet of these properties in the hope it will assist you, the reader, in correctly identifying gemstones. This publication has been written for both the experienced gem f...

97円 This book, designed for the gemmologist or serious amateur, details the identification of Jade. It covers in detail Nephrite Jade and Jadeite, its formation, geology, simulants, distinguishing features, treatments, grading, diagnostic optical and physical properties, readings under various gemmol...

97円 These pages contain books 10 to 13 of the Australian Gemstones Series. This series is specifically designed for the beginner wanting to learn more about gemstones or gem fossicking, they also make a wonderful refresher course for the more experienced. Included in this publication are the followin...

97円 This book takes a look at diamonds, in particular the common forms of diamond, rocks in which diamonds are found in nature, diamond types, electrical behaviour, thermal conductivity, chemical composition, crystallography, hardness, specific gravity, determining synthetic diamonds to natural, colo...