This book contains classic material dating back to the 1900s and before. The content has been carefully selected for its interest and relevance to a modern audience. Carefully selecting the best articles from our collection we have compiled a series of historical and informative publications on the subjects of gemology and crystallography. The titles in this range include "Gemstone Manufacturing" "The Optical Properties of Gemstones and Crystals"...

This book contains classic material dating back to the 1900s and before. The content has been carefully selected for its interest and relevance to a modern audience. Carefully selecting the best articles from our collection we have compiled a series of historical and informative publications on the subjects of gemology and crystallography. The titles in this range include "Gemstone Manufacturing" "The Optical Properties of Gemstones and Crystals"...

This book contains classic material dating back to the 1900s and before. The content has been carefully selected for its interest and relevance to a modern audience. Carefully selecting the best articles from our collection we have compiled a series of historical and informative publications on the subjects of gemology and crystallography. The titles in this range include "Gemstone Manufacturing" "The Optical Properties of Gemstones and Crystals"...

In this revised edition of a Baby Professor classic, we'll take a second look at rocks and what we know about them. Complete with age-appropriate texts and appealing images, kids will fall in love at first sight with this supplemental learning tool.

Of all the planets in the solar system, Earth is the only one capable of hosting life. Why is that? The answer could lie in its unique geology. In this book, you will learn about the geological structures and processes that make Earth a living planet. There's much to learn from this book collectible.

Kids find that their imagination starts to grow when they learn about new things and rocks and minerals are a natural aspect of the outdoors but kids tend to not take time to really look closely at each one. Learning about the big and little details of both helps kids imagine where rocks have been, how they got to where they were found and what caused minerals to form and take shape; all of these things help children think in new and exciting ways....

How does a nature book about volcanoes spark a child's imagination? Children are attracted by vivid colors and the potential of excitement. A nature book filled with bright pictures of volcanoes, mountains and hot lava is sure to be of interest to young minds. Youngsters are exposed to volcanic activity in news and movies. A book that explores the realities of volcanic activity is sure to be a learning experience for any juvenile. Scientific reality...