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Author : Cally Oldershaw
Publisher : Firefly Books
Page : 228 pages
File Size : 55,5 Mb
Release : 2003
Category : Crafts & Hobbies
ISBN : 1552978141
A guide to the identification, structure, and uses of precious and semi-precious stones, novelty stones, agates, and crystals.
Author : Rupert Hochleitner
Publisher : Unknown
Page : 0 pages
File Size : 52,6 Mb
Release : 2019
Category : Nature
ISBN : 0228102286
"The practical and comprehensive on-the-go nature guide."--Page [4] of cover.
Author : Cally Oldershaw
Publisher : Unknown
Page : 224 pages
File Size : 40,7 Mb
Release : 2003
Category : Crystals
ISBN : 0540083895
An important feature of the book is a comprehensive visual identification key. This makes it easy for the reader to recognize the type of a stone, and so move on to the correct section of the book for a detailed identification. The main part of the book examines each major group of gems from every part of the world, with each group divided into clearly structured units. The first section deals with precious gems in their many forms, with illustrations of priceless jewellery. The second and longer section concentrates on the semiprecious and novelty stones, the agates and the crystals used aby many professional and amateur jewellers and purchased by the majority of collectors and jewellery enthusiasts.
Author : Cally Oldershaw
Publisher : Firefly Books
Page : 256 pages
File Size : 55,8 Mb
Release : 2017-10-07
Category : Electronic
ISBN : 0228100070
-Lavishly illustrated, Gems of the World is intended for anyone who has ever been fascinated by crystals, jewelry, and gems, from general readers to seasoned professionals. It is a fine addition to general collections.- --Booklist, on the previous edition Gems of the World is a practical and comprehensive guide to the identification and properties of precious and semiprecious gems, novelty stones, agates and crystals. This edition has been revised and thoroughly updated. Changes and new features include updated maps of recently established diamond bourses and geographical country changes, plus new gem varieties and localities where they are found, new techniques for producing synthetic gemstones and simulants, and much more. There is comprehensive information on gems: gem formation mining the diamond industry conflict diamonds ethical sourcing crystal structure (diagrams and cuts) optical and physical properties fashioning and cutting (properties and uses) gemstone cuts for diamonds buying a diamond buying colored gemstones imitation and synthetic gemstones gemstone enhancement history of gems famous diamonds caring for gemstones and jewelry a color key of 139 gemstones. The text describes the world's diamond cutting and trading centers, the -diamond pipeline- that flows from mine to retail, and information on the gemstone industry, ethical mining, conflict diamonds and the emergence of new diamond centers. The description directory of gemstones is organized by their chemical composition. The 139 profiles describe each gem's geology, chemistry, properties (such as color, refractive index, and luster), cultural use in history and its value in jewelry. Photographs show the gem as a raw crystal, in common cuts, polished for use, and in some cases, also in a piece of jewelry. Gems of the World is an ideal reference for gemologists, collectors and general readers.
Author : Lynn Frierson Faust
Publisher : University of Georgia Press
Page : 378 pages
File Size : 42,7 Mb
Release : 2017-03-01
Category : Nature
ISBN : 9780820348728
This is the first comprehensive firefly guide for eastern and central North America ever published. It is written for all those who want to know more about the amazing world of lightning bugs and learn the secrets hidden in the flash patterns of the 75+ species found in the eastern and central U.S. and Canada. As an independent researcher working with numerous university teams, naturalist Lynn Frierson Faust, “The Lightning Bug Lady,” has spent decades tracking the behavior and researching the habitats of these fascinating creatures. Based on her twenty-five years of field work, this book is intended to increase understanding and appreciation of bioluminescent insects while igniting enthusiasm in a fun and informative way. Species accounts are coupled with historical background and literary epigraphs to engage and draw readers young and old into the world of these tiny sparklers. A chart documenting the flash patterns of the various species will aid in identification. Clear photos illustrate the insects’ distinguishing physical characteristics, while habitats, seasonality, and common names are provided in clear, easy-to-understand yet scientifically accurate language. The guide will be welcomed by everyone who wants to learn more about fireflies' and glow-worms' unique traits and about their fragile niche in the ecosystem. FEATURES Over 600 color photographsDetailed accounts and anatomical diagrams of 75+ species, as well as aids in distinguishing between similar speciesA first-of-its-kind flash-pattern chart that folds out on heavy-weight paper • Extensive scientific details written in an understandable and engaging wayColorful, common names—Twilight Bush Baby, Shadow Ghosts, and Snappy Syncs, and more—for easy species identification based on flash patternsTips on ideal sites and times of year for firefly watchingConservation-oriented approach
Author : Patrice Bouchard
Publisher : University of Chicago Press
Page : 657 pages
File Size : 51,7 Mb
Release : 2014-12-17
Category : Nature
ISBN : 9780226082899
“Profiles 600 of the most stunning, most wonderfully adapted beetles around . . . The result is a work that is nothing short of magnificent.” —Wired When renowned British geneticist J. B. S. Haldane was asked what could be inferred about God from a study of his works, Haldane replied, “An inordinate fondness for beetles.” With 350,000 known species, and scientific estimates that millions more have yet to be identified, their abundance is indisputable as is their variety. They range from the delightful summer firefly to the one-hundred-gram Goliath beetle. Beetles offer a dazzling array of shapes, sizes, and colors that entice scientists and collectors across the globe. The Book of Beetles celebrates the beauty and diversity of this marvelous insect. Six hundred significant beetle species are covered, with each entry featuring a distribution map, basic biology, conservation status, and information on cultural and economic significance. Full-color photos show the beetles both at their actual size and enlarged to show details, such as the sextet of spots that distinguish the six-spotted tiger beetle or the jagged ridges of the giant-jawed sawyer beetle. Based in the most up-to-date science and accessibly written, the descriptive text will appeal to researchers and armchair coleopterists alike. The humble beetle continues to grow in popularity, taking center stage in biodiversity studies, sustainable agriculture programs, and even the dining rooms of adventurous and eco-conscious chefs. The Book of Beetles is certain to become the authoritative reference on these remarkably adaptable and beautiful creatures. “Photographs of more than 600 colorful, glossy species, resembling bejeweled broaches morethan creepy crawlies, are presented at actual size.” —Publishers Weekly
Author : John Farndon
Publisher : Australian Geographic
Page : 128 pages
File Size : 51,7 Mb
Release : 2017-01-10
Category : Electronic
ISBN : 1742459404
The definitive guide to rocks, minerals and gems, this title includes an introduction to rocks and minerals and how they form, and a quick guide to what you need and where to look. There is also a complete guide to identifying rocks and minerals and everything you need to know to start building a collection. Packed with fun facts and practical ......
Author : Charles Wesley Chesterman,National Audubon Society
Publisher : Knopf
Page : 876 pages
File Size : 46,8 Mb
Release : 1978
Category : Nature
ISBN : UCSD:31822002096212
Donation.
Author : Lars W. Johnson,Stephen M. Voynick
Publisher : Simon and Schuster
Page : 240 pages
File Size : 42,9 Mb
Release : 2021-06-08
Category : Nature
ISBN : 9781507215289
Go on an outdoor treasure hunt and enjoy all nature has to offer with this field guide to rockhounding, perfect for armchair geologists or anyone headed out on an adventure! Geology meets treasure hunting with this field guide to rockhounding! If you’ve ever kept an interesting rock or shell, bought a polished stone from a gift shop, or even just enjoyed a ’gram of a really cool crystal, congratulations! You’ve already experienced a rockhounding adventure! Rockhouding for Beginners shows you how to take your rockhounding to the next level, providing everything you need to know from tips for finding local sources for really cool finds to techniques for safely cleaning, cutting, polishing, and caring for the best samples. Complete with full-color photos to help you identify each rock and mineral wherever you find them, this guide has all the rockhounding information you need whether you’re ready to get down and dirty or simply want to learn more from the comfort of your couch.
Author : Frederick H. Pough
Publisher : Houghton Mifflin Harcourt
Page : 558 pages
File Size : 45,9 Mb
Release : 1996
Category : Fiction
ISBN : 039591096X
Describes hundreds of minerals and lists their geographic distribution, physical properties, chemical composition, and crystalline structure.
Author : Renee Newman
Publisher : Firefly Books
Page : 304 pages
File Size : 42,6 Mb
Release : 2021-10
Category : Electronic
ISBN : 0228103312
The beauty and sparkle and mystique of diamonds is unmatched by that of any other gem in the world. Since early times, diamonds have been treasured as good luck charms, remarkable tools and status symbols and have been worn, collected and presented as lavish gifts. Today, diamonds remain among the most sought-after gemstones and continue to hold their value through good times and bad. In Diamonds, author Renée Newman, a graduate gemologist and author of many trade-level handbooks on gemstones, invites the reader on a journey into the fascinating world of diamonds. This lavishly illustrated guide -- which features hundreds of photos, maps and diagrams -- covers everything from mining, cutting and evaluating diamonds to the romantic histories of some of the world's most valuable stones. Diamonds includes chapters on: What a diamond is -- its significance from antiquity to the present day and what it represents from different perspectives The process and history of mining diamonds -- the locations (both modern and historical) as well as the techniques used to mine diamonds The evolution of diamond cutting -- how a diamond is processed and what are the key cuts and shapes to know Diamond jewelry through the ages -- how diamonds have been used in jewelry from pre-Georgian times to today Evaluating and pricing diamonds -- how diamonds are priced based on their many value factors, such as color, carat weight, cut, clarity, and so on Man-made diamonds The remarkable benefits of diamonds. As beautiful as they are precious and as useful as they are decorative, diamonds continue to fascinate and allure. Diamonds will be a welcome guide for anyone who has felt the romance and power of these fascinating gems. It will also be a useful resource for professionals in the jewelry trade.
Author : Dan Green
Publisher : DK Publishing (Dorling Kindersley)
Page : 0 pages
File Size : 48,9 Mb
Release : 2016
Category : Gems
ISBN : 0241228131
Dig deep to discover our rocky planet, packed with natural wonders. Earth's extraordinary minerals, gems, shells, and fossils are all on dazzling display in this essential visual encyclopedia for children. Feast your eyes on the ultimate treasure trove that any pirate would envy. More than 1,000 stunning photographs showcase rocks and gems in glorious detail, ensuring you can recognise sedimentary from sandstone, metamorphic from marble, and pyrite from pearl. The unique qualities of each eye-catching material are described in-depth, together with their broad range of uses in art, industry, architecture, and science. Keep your eyes open for rainbow rocks, fluorescent minerals, priceless diamonds, and meteor showers on your geological journey of discovery. Meet dinosaurs in the prehistoric period to understand how fossils form, join the pyramid builders of ancient Egypt to investigate the limestone bricks, and take a dip in the ocean on the hunt for clams, cowries, and cockles. Treasure seekers, get set to start your own collection with The Rock and Gem Book.
Author : Sarah Garlick
Publisher : National Geographic Books
Page : 188 pages
File Size : 44,7 Mb
Release : 2014
Category : Minerals
ISBN : 9781426212826
Illustrations and mineral hardness scale on endpapers.
Author : Ra Bonewitz
Publisher : DK Publishing (Dorling Kindersley)
Page : 0 pages
File Size : 46,9 Mb
Release : 2005
Category : Fossils
ISBN : 0751344001
From glittering gemstones to fascinating minerals and fossils, this incredible reference book is a stunning celebration of the Earth s buried treasures. Specially commissioned photography captures the essence and beauty of over 450 superb specimens, while lively and informative text describes the characteristics of each and its unique and changing relationship to humankind through the ages. Organized by rock classes and chemical groups, each rock, mineral, and fossil entry contains a photograph of the specimen together with lively, wide-ranging text describing its qualities and history of use. In addition, a detailed, at-a-glance reference panel provides key data for identification and classification.
Author : Roger Pabian,Brian Jackson,Peter Tandy,John Cromartie
Publisher : Unknown
Page : 184 pages
File Size : 46,8 Mb
Release : 2006
Category : Agates
ISBN : 0643092978
Illustrated throughout with photographs of these wonderfully colourful minerals. Accompanied by a text from a well-known expert in the field, the book includes both a detailed introduction to the geology of agates and a comprehensive guide to the agates of the world.