It s hard to believe that opals come from the same element that makes sand, but it s true. This book features that fact and many more about this beautiful gem. From the mines of southern Australia to pieces of very expensive jewelry, readers will see how opals go from raw stones to a fantastic finished product. Beautiful photographs present the rainbow of colors that brilliantly emit from these gems. Detailed Table of Contents, Fact Boxes, For Further Information Section, Further Reading, Glossary, Index, Web Sites.
General Note
Includes glossary.
Content Note
What are opals? - Where are opals found? - What do opals looks like? - Mining opal - Finding a gem - Making opal jewelry - What makes opals valuable? - Really rare opals - Know your opals.