Crystal and Gem
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Code:9780241617328
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Weight:0.620 Kgs
Become an eyewitness to the many different varieties of crystals and gems in this picture-led reference guide that will take you on a visual tour of the world of precious stones. Children will be mesmerised by the many uses of rocks like quartz and understanding crystals - from dazzling jewellery to diamond cutting tools and the silicon chip in their phone.
This illustrated guide for kids aged 9+ reveals what exactly crystals and gems are, how they're formed, how to identify them, and how they can be used in everything from microchips to jewellery making.
Throughout the pages of this newly-revised book on precious stones, you can expect to find:
- A fresh new look; new photographs, updated information, and a new "eyewitness" feature.
- Amazing facts, updated diagrams, statistics, and timelines.
- Brand new eyewitness accounts from experts in the field.
Eyewitness Crystal & Gem features striking full-colour photographs of beautiful stones, including pearl and shell, jet and amber, quartz crystals, precious metals gemstones and much more!
In this guide, curious children can find the answers to questions like, how can a rough diamond become a show-stopping centrepiece? Where does labradorite get its colours? Why are there quartz crystals in clocks and watches? How can crystals be grown in a laboratory?
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The delivery cost to Bulgaria is fixed and does not depend on the number and weight of the books ordered - 5.90 lv for a courier delivery and 4.90 lv to Econt office. Orders over 42.00 lv are delivered for free if the order is dispatched at once. In cases where the order is over 42.00 lv and part of the books are with 30 or 60-day-delilvery term, then the free delivery is applied to the books in stock, and the rest is dispatched with the usual price - 5.90 lv for a courier delivery and 4.90 lv to Econt office. If the customer wants to have all the books dispatched together, then they should request that in the Special Instructions field.
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1. The book is intact, without injuries, scratches or external damage;
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4. Where there are supplies or accessories included, they are intact in their original packaging;
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