Unearth a treasure trove of knowledge on over 130 gemstones from around the world. Learn how gemstones are formed and how to recognize them by their unique qualities and colors. It’s a wonderful book for beginners, students and gemstone-enthusiasts that includes the latest scientific research and specimen classification. Handbook of Gemstones is filled with all you need to know about the fascinating world of gemstones — cut and uncut stones, organic gemstones and precious metals. Inside, you’ll find: • Fast facts for quick reference, including chemical composition, hardness, gravity, luster and reflective value. • Photo close-ups of key details and highlights of distinguishing features. • Illustrations of faceting and shapes popular for each gemstone. • A detailed introduction to everything a beginner gemologist needs to know, including how gemstones form, the different properties, crystal shapes, faceting and the history of gems. Everything you ever wanted to know about gems Delve into the one-of-a-kind characteristics, colors and attributes of more than 130 gemstones with this compact visual guide. For easy classification, each stone’s entry includes annotated photographs to highlight distinguishing features and concise details about the attributes of gems. Designed for beginners and experienced collectors alike, this gemology book explores what gemstones are, how they are classified and how to identify them by their physical and optical properties. It also shows you how they were fashioned and imitated throughout history. Learn the differences between varieties of cut and uncut stones, organic gemstones and precious metals. It includes a glossary for many more technical and scientific terms, and over 800 high-quality photos of gems, making it the ideal gift for any budding gemologist! Love what you’re seeing? Check out other titles in the series! The DK Handbook series is an incredible collection of titles that fascinate curious minds. Other books include Rocks and Minerals, Dinosaurs, and Prehistoric Life, and Stars and Planets.
The oldest names for gemstones can be traced back to Oriental languages , Greek and Latin . Greek names especially have left their stamp on modern gem nomenclature . The meaning of old names is not always certain , especially where the ...
"Gems and Gemstones" features nearly 300 color images of cut gems, precious and semiprecious stones, gem-quality mineral specimens, and fine jewelry to be unveiled in the new Grainger Hall of Gems at the Field Museum in Chicago.
Spinel's name is derived from the Italian word spinella (“little thorn”), from the Latin word for “thorn” (spina), which alludes to the fact that its characteristic octahedral crystals have pointed ends. Properties and characteristics: ...
Malawi Corundum, including both ruby and sapphire, some of gem quality, was reported in 1958 from Chimwadzulu Hill in the south of Malawi, Central Africa (Rutland, 1969). In 1967–68 an organization was set up to mine and market the ...
In this book, the author expounds on how they were formed, why they altered, why they became the cradles of precious gemstones, how they are categorized, and how they are now exploited by man. What initiates the growth of gemstones?
For those who prefer only natural stones, some jewelers now offer sapphire, ruby, and emerald in a wider quality ... In short, today there are more alternatives—natural gems, treated gems, synthetic gems, and imitation gems—in more ...
Designed for beginners and experienced collectors alike, these field guides make identification of individual specimens sure, simple and straightforward. Each entry has a full color illustration as well as color-coded...
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.
Diamonds, rubies, and pearls are among the most precious stones found under the earth. Whether used as decoration or in modern medical technology, this new book will show readers how these stones are formed and how we use them.
Presents concise data on a particular gemstone's physical properties, occurrence, chemistry, availability, rarity, and market potential.