Prehnite with Tourmalinated Quartz BeadA shield of a gem to help you face challenges with determination. Gemstones have played various roles in the myths and legends of human cultures throughout history. We have always been fascinated and interested in what can protect us from evil, and what will bring out the best in us. Trollbeads gemstones are hand faceted. Please note that gemstones are genuine natural materials and absolutely unique. They vary in color and have unique inclusions and