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Author: Antoinette Matlins, PG, FGA Publisher: Turner Publishing Company ISBN: 094376386X Category : Antiques & Collectibles Languages : en Pages : 214
Book Description
Newly updated and expanded, COLORED GEMSTONES gives you all the information you need to buy, collect, sell— or simply enjoy—sapphires, emeralds, rubies and other colored gemstones with confidence and knowledge. With more varieties than ever before to choose from, including altogether new gems, revolutionary new cuts and new ways to buy gems—such as Internet auctions and TV shopping—there has never been a more exciting time to buy or collect colored gemstones. But there are also new high-tech treatments and sophisticated frauds to look out for. Lack of information, error or misrepresentation can make the thrill of buying a gem or piece of jewelry confusing, intimidating, overwhelming and costly. Buyers need a source of expert guidance. This practical, comprehensive, easy-to-understand guide provides all the information you need in order to know what to look for, and what to look out for, including: What qualifies as a “gemstone”? How to evaluate color—and its impact on price. Deciding between a natural gem and an enhanced gem ... and new glass-gemstone compositions. Colored gemstone synthesis and treatment. What to ask when buying the stone. What to get in writing. How to get what you want within your budget. Price guides for popular gems, opals and synthetic stones. Important information about buying on the Internet. ... and much more! Written by an “insider,” this easy-to-read guide is the “unofficial colored gemstone bible” for anyone who wants to get the most for their moneyand enjoy what they have purchased.
Author: Antoinette Matlins, PG, FGA Publisher: Turner Publishing Company ISBN: 094376386X Category : Antiques & Collectibles Languages : en Pages : 214
Book Description
Newly updated and expanded, COLORED GEMSTONES gives you all the information you need to buy, collect, sell— or simply enjoy—sapphires, emeralds, rubies and other colored gemstones with confidence and knowledge. With more varieties than ever before to choose from, including altogether new gems, revolutionary new cuts and new ways to buy gems—such as Internet auctions and TV shopping—there has never been a more exciting time to buy or collect colored gemstones. But there are also new high-tech treatments and sophisticated frauds to look out for. Lack of information, error or misrepresentation can make the thrill of buying a gem or piece of jewelry confusing, intimidating, overwhelming and costly. Buyers need a source of expert guidance. This practical, comprehensive, easy-to-understand guide provides all the information you need in order to know what to look for, and what to look out for, including: What qualifies as a “gemstone”? How to evaluate color—and its impact on price. Deciding between a natural gem and an enhanced gem ... and new glass-gemstone compositions. Colored gemstone synthesis and treatment. What to ask when buying the stone. What to get in writing. How to get what you want within your budget. Price guides for popular gems, opals and synthetic stones. Important information about buying on the Internet. ... and much more! Written by an “insider,” this easy-to-read guide is the “unofficial colored gemstone bible” for anyone who wants to get the most for their moneyand enjoy what they have purchased.
Author: Penny de Byl Publisher: CRC Press ISBN: 1351053671 Category : Games & Activities Languages : en Pages : 553
Book Description
Master game design and digital art principles simultaneously with this all-in-one guide to creating games in the cutting-edge game engine Unity. Reworked for C# and Unity 2018 & 2019, and bursting with images and tutorials, Penny de Byl’s Holistic Game Development with Unity will help the reader gain the multidisciplinary skills needed to succeed in the independent game industry. Holistic Game Development with Unity includes new coverage on Augmented Reality, Networking, and Virtual Reality such as the Oculus Rift. Supplementary material, including instructional videos, discussion forums and art assets are provided in the companion website located at www.holistic3d.com. Learn to combine the beauty of art and the functionality of programming in de Byl’s third edition for Unity game development. Key features: Art and programming in Unity, the only one-stop shop for individual developers and small teams looking to tackle both tasks. Proven step-by-step tutorials show you how to design and structure an entire game in Unity with art assets. Revised to cover the Unity game engine versions 2018 and 2019. New coverage of Nav Meshes, Augmented Reality, Mobile Builds and Mecanim. An introduction to essential two- and three-dimensional mathematical and physics concepts. A portfolio of royalty free reusable game mechanics. Revamped and expanded accompanying website, www.holistic3d.com, features project source code, instructional videos, art assets, author blog, and discussion forums. Additional challenge questions and lesson plans are available online for an enhanced learning experience.
Author: David Federman Publisher: Springer Science & Business Media ISBN: 1468464884 Category : Science Languages : en Pages : 251
Book Description
Since early 1989, a gem dealer I've known for years has been calling me every few weeks to brief me on mounting mayhem in Colombia's lucrative emerald market. The troubling gist of these calls is always this: There is a full-fledged turf war going on between that South American country's bustling drug and gem trades for control of its emerald ex port business. According to this dealer and several others, anywhere from two to four thousand emerald industry people, mostly miners and deal ers, have been murdered since 1980. No doubt the gem sector, itself never gun shy, has retaliated in full and in kind. After all, the two groups have banded together in an intermittent alliance against a common enemy-Communist guerillas-with results the CIA would envy. I mention this bloodshed because of something the gem dealer once said to me: "I bet you never think of what a gem has to go through to get to a jewelry store:' He's right. I tend to think of colored stones as things of beauty, not objects of gruesome power struggles between mining kingpins and drug lords. Can you blame me, or anyone with insider knowledge, if a gem sheds any connection with its past once sculpted by a cutter into the glittering mar vel we see in a jeweler's showcase? Like Odysseus listening to the sirens' song, we become victims of an aesthetics-induced amnesia.
Author: Francine Milford Publisher: Lulu.com ISBN: 0557544939 Category : Health & Fitness Languages : en Pages : 94
Book Description
Tuning Fork Therapy® using Crystals with tuning forks is a manual instructing the user in how to incorporate crystals and gemstones with tuning forks in a healing session. Manual includes easy to follow directions and photographs. Certification and more information is available online at www.TuningForkTherapy.com
Author: Nancy Alden Publisher: Potter Craft ISBN: 0307451356 Category : Beadwork Languages : en Pages : 146
Book Description
Celebrities and fashion runways are glittering with gemstones, more than ever these days. But for the growing hordes of jewellery makers, gemstones can prove very daunting to work with. Nancy Alden of the popular Beadworks series gives readers a full introduction to the craft and, in her typical fashion, takes all the anxiety out of the process. Readers will learn how to create stunning gemstone earrings, necklaces and bracelets - with a gem and corresponding project to complement any look. Plus today s wide availability and competitive pricing of precious and semi-precious stones, makes what had once been exclusive, expensive projects completely doable.
Author: Antoinette Leonard Matlins Publisher: Gemstone Press ISBN: 0943763452 Category : Antiques & Collectibles Languages : en Pages : 211
Book Description
Purchasing coloured gemstones can be a magical experience, filled with excitement and anticipation. But lack of information, error, or misrepresentation can make buying gemstones confusing, intimidating, overwhelming, and costly. With more varieties than ever before to choose from, including altogether new gems, revolutionary new cuts, and new ways to buy gems -- such as internet auctions and TV shopping -- there has never been a more exciting time to buy or collect coloured gemstones. But there are also new high-tech treatments and sophisticated frauds to look out for. Lack of information, error, or misrepresentation can make the thrill of buying a gem or piece of jewellery confusing, intimidating, overwhelming, and costly. Buyers need a source of expert guidance. To help you avoid the pitfalls and keep the magic, Antoinette Matlins, an internationally respected expert on buying gems, puts her insider knowledge to work for you in this easy-to-read, easy-to-use guide. Practical, comprehensive, and easy to understand, the guide offers in depth all the information you need in order to know what to look for and what to look out for, including: what qualifies as a 'gemstone'?; how to evaluate colour -- and its impact on price; deciding between a natural gem and an enhanced gem; coloured gemstone synthesis and treatment; what to ask when buying the stone; what to get in writing; how to get what you want within your budget; price guides for popular gems, opals, and synthetic stones; And much, much more!
Author: Stefanos Karampelas Publisher: Springer Nature ISBN: 3030354490 Category : Social Science Languages : en Pages : 120
Book Description
This book provides a lucid introduction to the basics of gemmology. It familiarizes archaeologists, art historians and conservators with the science of gemstones and allows them to understand the basic concepts of their provenance, typology and treatments. Which are the main types of gems? What treatments can be applied? How does one analyse gems? How can gems contribute to archaeometrical research? This volume is written by four experts in the fields of gemmology and archaeometry and addresses both students who need an introduction to this field and professionals who want to refresh their knowledge of the topic. This work is part of a series of introductory texts that deal with a broad range of materials-related topics in archaeometry.
Author: Bruce Cairncross Publisher: Penguin Random House South Africa ISBN: 1775846989 Category : Nature Languages : en Pages : 375
Book Description
East Africa is famous for its world-class gemstones and mineral specimens, most notably the highly sought-after blue tanzanite, found only in Tanzania in a very small area in the northeast. Many other minerals and gemstones are mined in the region and this is the first publication to showcase and examine those occurring in the five countries that make up East Africa – Kenya, Tanzania, Rwanda, Uganda and Burundi. The book includes: An introduction to the fascinating geology of the region, including a map depicting underlying geology and mineral occurrence; detailed descriptions of minerals, including their gemological properties, history, occurrence and diverse uses across all spheres of life (from jewellery to numerous household items and even space-shuttle components); multiple full-colour photographs of each mineral and gem specimen. An invaluable reference for collectors, gemologists, students and anyone with an interest in the earth sciences. Sales points: A first, fascinating record of East African minerals and gemstones; numerous beautiful photographs of each mineral in full colour; concise, authoritative and accessible text.
Author: Walter Schumann Publisher: Sterling Publishing Company, Inc. ISBN: 9781402768293 Category : Antiques & Collectibles Languages : en Pages : 328
Book Description
"Gemstones of the World" is an essential resource for every hobbyist, jeweler, or jewelry maker. More than 1,500 full-color photos showcase each precious and semiprecious stone in its rough, natural, polished, and cut renditions.
Author: Antoinette Matlins, PG, FGA
Author: Antoinette Matlins, PG, FGA
Author: Joel E. Arem
Author: Penny de Byl
Author: David Federman
Author: Francine Milford
Author: Nancy Alden
Author: Antoinette Leonard Matlins
Author: Stefanos Karampelas
Author: Bruce Cairncross
Author: Walter Schumann