Ancient Wisdom Rare Mineral Specimens are highly collectable items. If you are a mineral collector you should have those in your collection. Different gems are said to have different properties, and for thousands of years, they have been made into rings, bracelets, amulets, brooches & pendants to capture their magic. A popular theory is that gemstones contain vibrational energy. By placing gemstones within a person's aura it is possible to change the vibrations of that aura. They can help you absorb negative thoughts, fill you with courage and confidence or improve your memory. Sizes Height 6-7. 5cm, Width 3-5cm PLEASE NOTE: These Minerals are a natural product. Because of this, the sizes of the gemstone pieces may vary