precious stones

An introduction to amethysts, where they are found, geodes, what makes them valuable, and amethysts in history.

Text and color photographs explore the chemical makeup of garnets, how they are mined, and which kinds of rocks they are usually found under.

A guide to gemstones, with over fifteen hundred color photographs, that showcases precious and semiprecious stones in their rough, natural, polished, and cut renditions and provides information on formation, physical properties, structure, and characteristics.

Describes how crystals form in nature, how crystals are grown artificially, and how they are used in industry. Numerous color photos with text identify the various gemstones.

An introduction to gems that discusses how they form, where they are found, different types, their uses, and other related topics.

A color-illustrated introduction to rocks, minerals, and gems.

Eight-year-old Lucas, Prince of Wrenly, is eager to explore and Clara, daughter of the queen's seamstress, knows the kingdom well, so they team up to find a lost jewel and visit all of the land's main attractions as they search.

Explains what gems are and how they form, and looks at different types of gems.

The Boxcar Children have entered the Ruby Hollow Gem Mines annual gem-hunting competition. With a little instruction and the right gear, the Aldens have everything they need to become real rock hounds! They have a natural talent for rock-finding, and its not long before Jessie makes a fabulous find. But before she can enter her ruby in the competition, it disappears! Could there be a thief at the mine? Now, instead of digging for rocks, the Aldens are digging for clues. Who wants to win the contest so much that they would steal from the Aldens? The children dont know, but theyre determined to find out!.

This book teaches the reader about the origination of gems and their various usages.