748円 Emerald Gemstones is a curated anthology of classic gemological and crystallographic writings dating back to the early 1900s, selected for their enduring relevance to modern readers. This volume brings together informative historical material on emerald's physical properties, geological origins, ...

748円 Zircon Gemstones brings together a selection of historical gemological and crystallographic articles from the early 20th century and before, chosen for their enduring interest to modern readers. Carefully curated, this volume compiles original writings that explore the properties, geological orig...

1,122円 Beryl Gemstonesis a curated compilation of historical writings on the mineral beryl and its many gem varieties, drawn from sources dating back to the early 1900s. Selected for their relevance and interest to modern readers, the articles explore the origins, physical properties and distinct types ...

748円 Topaz Gemstones is a curated anthology of historical writings on topaz, selected from material dating back to the early 1900s and earlier, and of interest to modern readers. The volume compiles classic gemological and crystallographic articles that discuss topaz's physical properties, geological ...

748円 This volume brings together historical writings on the gemological and crystallographic aspects of chrysoberyl, a durable beryllium aluminum oxide gemstone prized for its clarity, hardness, and phenomena like cat's-eye and color change in varieties such as alexandrite. Drawing on classic articles...

1,143円 A könyv felépítése az õslénytan történetének bemutatásával, majd a legszükségesebb általános õslénytani ismeret átadásával kezdõdik. Ezután következik a rendszeres rész. A rendszertan ismertetését azonban megelõzi az osztályozás, a nevezéktan és rendszerezés fogalmainak körüljárása. Külön kitérün...

746円 Der praktische und kompetente Naturführer für unterwegs. Ausführlich: sicheres Erkennen der 137 bekanntesten Heilsteine. Überzeugend: ähnliche Mineralien auf einen Blick. Eindeutig: mit allen wichtigen Farbvarietäten.

748円 A classic historical essay that offers a concise yet engaging overview of a wide range of semi-precious gemstones, including agate, amber and amethyst. Written from an early gemological perspective, the article explores their distinguishing characteristics, origins and uses, providing readers wit...

748円 This book brings together curated historical writings on amethyst and its parent mineral, quartz, drawing from early 20th-century and older sources. Amethyst Gemstones includes informative articles selected for their relevance to gemology and crystallography, presenting classic material on the or...

748円 An engaging historical essay that explores traditional techniques for transforming rough gemstones into exquisite works of art. This classic piece delves into the craft of gemstone cutting, the precision of setting stones in jewellery, and the intricate art of engraving gem surfaces. Written from...

1,793円

1,991円 From the author of the bestselling The Professor and the Madman comes the fascinating biography of science detailing the story of William Smith, the orphaned son of an English country blacksmith, who became obsessed with creating the world's first geological map and ultimately became the father o...