Gemstones of the World

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To think that we can find crystals within the earth with such rich colours leaves me speechless, not to mention the master cutters who can turn a piece of rough crystal into a sparkling jewel full of brilliance and lustre. With amazing info from why the name and where they are found naturally to Mohs' scale and cleavages there is something for everyone, from shiny new beginner to seasoned collector. Schumann largely focuses on minerals but does give proper descriptions of organic and synthetic materials as well.

There are even full treatments of lesser-known gems; a special section on rocks as precious stones; and organic gem materials. Each entry offers complete information on the gemstones formation, structure, physical properties and characteristics, along with the best methods of working, cutting and polishing it. You can change your choices at any time by visiting Cookie preferences, as described in the Cookie notice. More than 1,500 full-color photos showcase each precious and semiprecious stone in its rough, natural, polished, and cut renditions. Still, it is rather fascinating to view the radioactive gems such as Ekanite, and to read about how Sulfur is so sensitive to heat that it bursts when warmed in one’s hand (how did they facet it for the photo without generating heat?Each entry offers complete information on the gemstone’s formation, structure, physical properties, and characteristics, along with the best methods of working, cutting, and polishing it. By bidding on, or purchasing this item, you are agreeing to us sharing your name and address details with that 3rd party supplier to allow us to fulfil our contractual obligations to you. I have lost count how many times I have been to Thailand on Holiday and this book is a wonderful find if you’re visiting this beautiful country, especially if you would like to purchase gems.

Physical and chemical properties of each gem or gem group is identified in a header on the top of the left page, followed by notes of interest and specific varieties. This formatting continues throughout the next section, the lesser-known gemstones which are becoming more popular, such as fluorite, apatite, and chrysocolla.First published in English in 1976, Walter Schumann’s Gemstones of the World has served as a handy reference guide to gemologists of any level. Yet because of clever use of headers, shaded sections, illustrations, and white space, the text never seems cramped. Next is a section of “new on the market” gemstones such as sugilite, unakite, and petrified wood; an odd assortment of new and not-so-new offerings. Whether you're a beginner rock enthusiast or geologist, or are looking for a crystal book to support your spirituality practice, Gemstones of the World will bring new beauty and wisdom to your bookshelf. Crystals Galore I'm new to crystals but I'm learning daily this book has information on hundreds of precious and semi precious stones.

For Art Prints please allow 5 working days for unframed prints and 15 working days for framed prints/ stretched canvas. You'll find full treatments of lesser-known gems and minerals--from andalusite to vesuvianite--and a special section devoted to rocks as precious stones, including alabaster, onyx, obsidian, and fossils. All the gemstones are treated in their many variations: more than 1,500 full-color photos showcase each precious and semiprecious stone in both its rough, natural, and its polished and cut renditions. There are also many charts and diagrams as well as magnificent colour photographs of the stones with data about them on the facing page.In addition to the perennially successful Gemstones of the World, first published in 1976, he has authored Collins Guide to Rocks, Minerals, and Gemstones and Handbook of Rocks, Minerals, and Gemstones, among other authoritative rock and mineral identification guides.

More than 1500 full-colour photos showcase each precious and semi-precious stone in its rough, natural, polished and cut renditions. There are even full treatments of lesser-known gems, from andalusite to vesuvian, and a special section is devoted to rocks as precious stones, including alabaster, onyx, obsidian, and fossils. It includes a handy identifier for collectors and mineralogical stats for gemologists and jewellers that covers over 2,000 species of rocks, minerals and organics.Lesser-known and rare gems are not neglected, however, and he has compiled a fairly exhaustive list of gemstones, complete with color, hardness, density, refractive index, crystal system, and chemical composition. Finance is provided by PayPal Credit (a trading name of PayPal UK Ltd, Whittaker House, Whittaker Avenue, Richmond-Upon-Thames, Surrey, United Kingdom, TW9 1EH). Moh’s scale of hardness, basic mineral chemistry, specific gravity, cleavage and fracture, refraction and absorption, pleochroism, and fluorescence are described in sections followed by charts of these properties for selected gemstones. A fantastic, full colour Gemstones of the World poster, listing 182 Gemstones for easy identification purposes.