Precious opal is a rainbow made tangible. Its spectral blaze of color moves, changes, intensifies, fades, or disappears with the slightest change in perspective

This book is the latest in the popular Fred Ward Gem Book Series. The full-color photographs give the buyer and enthusiast all the information needed to underst

In the ancient Chinese art of feng shui, when you change the placement of objects in your living space, you change a corresponding area of your life. With Gemst