The Agate family of crystals is one that includes literally hundreds of variations and colors and banding types. Overall it's very soothing to the emotions which helps alleviate stress while promoting peace of mind, so if you need some creative energy or emotional relief then this could be just what you are seeking!
A freeform crystal is cut, polished and shaped according to the natural flow of a crystal's structure and formation. These are often a type of dome shape, undulating tower or even flame shape that is beautiful by any standard.