{"product_id":"pierres-precieuses-fines-ornementales-walter-schumann","title":"Pierres Précieuses | Fines et Ornementales – Walter Schumann","description":"\u003cp\u003eLanguage: French\u003cbr\u003eNumber of pages: 320\u003cbr\u003eBinding: Hardcover\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe ultimate illustrated reference for exploring, understanding, and identifying 350 gemstones and varieties, featuring 1,900 full-colour photographs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDiscover the fascinating world of precious gemstones, fine stones, ornamental stones, and minerals with Pierres précieuses, fines et ornementales by Walter Schumann, an internationally acclaimed geologist and leading authority on gemstones and mineralogy.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis comprehensive 320-page illustrated gemstone guide is an essential reference for gemstone enthusiasts, mineral collectors, gemmology students, naturalists, and anyone fascinated by the beauty and science of precious stones.\u003c\/p\u003e\n\u003cp\u003eCombining detailed scientific explanations with an extraordinary collection of gemstone photographs, the book provides the knowledge needed to explore, compare, and better identify gemstones from around the world.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e350 gemstones and varieties • 1,900 full-colour specimen photographs • 320 pages • Expert gemmological reference\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003ePlease note: This is the French-language edition.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA Comprehensive Guide to Precious, Fine and Ornamental Stones\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFrom garnets, emeralds, kunzite, amber, agates, opals, pearls, and rubies to hundreds of other precious, fine, and ornamental stones, this remarkable book explores an extensive variety of gemstones through detailed descriptions and beautiful colour illustrations.\u003c\/p\u003e\n\u003cp\u003eWith 350 gemstones and varieties documented and 1,900 gemstone specimens photographed in colour, it offers one of the most extensive pocket-sized photographic galleries of gemstones.\u003c\/p\u003e\n\u003cp\u003eEach gemstone description provides essential scientific information, helping readers understand the distinctive characteristics that make every gemstone unique.\u003c\/p\u003e\n\u003cp\u003eThe book examines:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOptical properties: Gemstone colours, fire, and fluorescence.\u003c\/li\u003e\n\u003cli\u003ePhysical and mechanical properties: Density, hardness, and cleavage.\u003c\/li\u003e\n\u003cli\u003eMineralogical characteristics: Scientific properties used to classify and distinguish gemstones.\u003c\/li\u003e\n\u003cli\u003eGemstone identification: Essential information for recognising gemstones and distinguishing them from substitutes.\u003c\/li\u003e\n\u003cli\u003ePhotographic comparisons: Detailed colour photographs illustrating the diversity of gemstone specimens.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhether you are examining a mineral collection, researching precious stones, or expanding your knowledge of gemmology, this guide provides an extensive foundation for gemstone study and identification.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLearn Gemmology: From Gemstone Properties to Identification\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMore than a beautifully illustrated gemstone catalogue, Pierres précieuses, fines et ornementales offers a richly documented introduction to gemmology — the scientific study of gemstones.\u003c\/p\u003e\n\u003cp\u003eWalter Schumann explains the fundamental principles of gemstone science, covering:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe physical and scientific properties of gemstones.\u003c\/li\u003e\n\u003cli\u003eGemstone deposits and geological occurrences.\u003c\/li\u003e\n\u003cli\u003eGemstone extraction and mining methods.\u003c\/li\u003e\n\u003cli\u003eGemstone treatments and modifications.\u003c\/li\u003e\n\u003cli\u003eMineralogical classification.\u003c\/li\u003e\n\u003cli\u003eOptical properties, including colour, fire, and fluorescence.\u003c\/li\u003e\n\u003cli\u003eMechanical properties, including density, hardness, and cleavage.\u003c\/li\u003e\n\u003cli\u003eThe identification and authentication of gemstones and their substitutes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese explanations help readers understand not only the appearance of gemstones but also their underlying scientific characteristics.\u003c\/p\u003e\n\u003cp\u003eThe combination of accessible descriptions, technical information, and photographic documentation makes this book valuable for both curious beginners and experienced gemstone enthusiasts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e350 Gemstones and 1,900 Colour Photographs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOne of the greatest strengths of this gemstone reference book is its exceptional visual documentation.\u003c\/p\u003e\n\u003cp\u003eFeaturing 350 gemstones and varieties and 1,900 full-colour photographs of gemstone specimens, this guide presents an impressive overview of the diversity of precious, fine, and ornamental stones.\u003c\/p\u003e\n\u003cp\u003eThe extensive photographic collection allows readers to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExplore hundreds of different gemstones and mineral varieties.\u003c\/li\u003e\n\u003cli\u003eCompare the visual characteristics of different specimens.\u003c\/li\u003e\n\u003cli\u003eExamine gemstone colours and appearances.\u003c\/li\u003e\n\u003cli\u003eBetter understand the properties used in gemstone identification.\u003c\/li\u003e\n\u003cli\u003eDevelop their knowledge of gemstone classification and mineralogy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe book's compact reference format makes it particularly useful for collectors, naturalists, and gemstone enthusiasts who want a detailed resource to consult regularly.\u003c\/p\u003e\n\u003cp\u003eIt is a valuable addition to any library dedicated to gemstones, minerals, geology, or natural history.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEssential Gemstone Identification and Authentication Information\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIdentifying gemstones requires more than simply recognising their colours.\u003c\/p\u003e\n\u003cp\u003eDifferent gemstones can share similar appearances, making scientific knowledge essential for understanding their distinguishing characteristics.\u003c\/p\u003e\n\u003cp\u003eThis guide explores the optical, mechanical, and mineralogical properties used in gemstone identification, including hardness, density, cleavage, fluorescence, colour, and fire.\u003c\/p\u003e\n\u003cp\u003eIt also provides essential information about gemstone authentication and substitutes, helping readers understand the characteristics that distinguish different gemstones and alternative materials.\u003c\/p\u003e\n\u003cp\u003eFor mineral collectors, gemstone enthusiasts, and students of gemmology, this information offers a valuable foundation for developing more informed identification skills.\u003c\/p\u003e\n\u003cp\u003eWhile the book provides important scientific reference information, definitive authentication of certain gemstones may still require specialist gemmological testing.\u003c\/p\u003e\n\u003cp\u003eWho Is This Gemstone Book For?\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGemstone collectors: Explore hundreds of gemstones and varieties, compare specimens, and expand your knowledge of gemstone characteristics.\u003c\/li\u003e\n\u003cli\u003eMineral and crystal enthusiasts: Discover the scientific properties, classifications, and geological origins of precious, fine, and ornamental stones.\u003c\/li\u003e\n\u003cli\u003eGemmology students: Develop an understanding of gemstone identification, optical properties, mechanical characteristics, and mineralogical classification.\u003c\/li\u003e\n\u003cli\u003eGeology and natural history enthusiasts: Learn about gemstone deposits, extraction methods, mineral formation, and the diversity of natural stones.\u003c\/li\u003e\n\u003cli\u003eJewellery and gemstone enthusiasts: Gain a deeper appreciation of the characteristics that distinguish different precious stones.\u003c\/li\u003e\n\u003cli\u003eBeginners: Build a strong foundation in gemstone knowledge through illustrated descriptions and a comprehensive introduction to gemmology.\u003c\/li\u003e\n\u003cli\u003eAn excellent gift for gemstone lovers, mineral collectors, and anyone passionate about geology and the natural world.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eA Practical and Authoritative Gemstone Reference\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned to be both informative and easy to consult, this illustrated guide combines detailed gemstone descriptions with scientific explanations and extensive photographic documentation.\u003c\/p\u003e\n\u003cp\u003eAdditional reference materials include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eA bibliography for further reading and research.\u003c\/li\u003e\n\u003cli\u003eA comparative table to support the study and comparison of gemstone characteristics.\u003c\/li\u003e\n\u003cli\u003eAn index for locating information quickly and efficiently.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTogether, these features make the book a useful long-term reference for gemstone identification, mineral collecting, and gemmological education.\u003c\/p\u003e\n\u003cp\u003eThe publisher describes the work as a leading gemstone reference guide with more than 25 years of history, and reports 50,000 copies sold since publication.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAbout the Author: Walter Schumann\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWalter Schumann is an internationally recognised geologist, gemstone researcher, and leading authority on gemstones, rocks, and minerals.\u003c\/p\u003e\n\u003cp\u003eHe is Professor Emeritus of Geology at the University of Munich, Germany, and has written numerous authoritative guides devoted to gemstone identification, mineralogy, and geology.\u003c\/p\u003e\n\u003cp\u003eAmong his best-known publications is Gemstones of the World, first published in 1976, an internationally successful gemstone reference translated into 17 languages and sold in approximately 1.3 million copies worldwide.\u003c\/p\u003e\n\u003cp\u003eHis extensive expertise and decades of published research make his work an important resource for gemstone enthusiasts and mineral collectors around the world.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Buy Pierres précieuses, fines et ornementales?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBecause understanding gemstones requires reliable knowledge, detailed illustrations, and expert scientific guidance.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThis exceptional guide brings together all three.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003eWith 350 gemstones and varieties, 1,900 colour photographs, detailed scientific descriptions, and expert explanations from internationally recognised geologist Walter Schumann, the book offers a comprehensive introduction to the extraordinary world of gemstones.\u003c\/p\u003e\n\u003cp\u003eWhether you want to identify gemstones, explore mineral collections, study gemmology, or simply admire the remarkable diversity of precious stones, this guide is designed to be a reference you can return to again and again.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eDiscover the science behind the beauty of gemstones and add this authoritative illustrated guide to your collection today.\u003c\/em\u003e\u003c\/p\u003e","brand":"I.DAVID","offers":[{"title":"Default Title","offer_id":55738466730360,"sku":"BKS-6590","price":39.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0751\/9309\/0350\/files\/pierres-precieuses-walter-schumann-gemstone-guide-cover.jpg_2f26dbce-8111-45bc-b1ca-c46bd428e350.jpg?v=1794520928","url":"https:\/\/idavid.be\/products\/pierres-precieuses-fines-ornementales-walter-schumann","provider":"I.DAVID","version":"1.0","type":"link"}