Take a look at this awesome set of perfect Pyrite cubes (of assorted sizes) from the La Rioja region, which is in northern Spain, just below the Basque Province in the Ebro valley. These magnificent crystals are extracted from a limestone matrix and are comprised of mostly Sulphur and Iron with a ratio of about 30% Iron to 70% Sulphur (which accounts for its golden color) and occasionally you will find traces of Gold, Silver, Copper and Nickel as well. The Spanish Pyrite is by far the most perfect and beautiful of all formations of Pyrite that we have ever encountered, and we are delighted to be able to bring them to you now. This lovely set measures from the smallest at 7/16 x 3/8 x 3/8" to the largest at 13/16 x 11/16 x 11/16" and will make an awesome addition to your collection of fine minerals from around the world. PYRITE is an excellent stone for all those who work with alternative healing, shielding, while at the same time rejuvenating the user. It helps the body to remember a perfect state of health, and emotional well-being, and for that reason is an excellent choice for those who are recovering from surgery. It is also a wonderful stone for enhancing memory and for recalling needed information. In addition it is a terrific tool for discernment, assisting its companion in seeing the truth hidden behind the facade or illusion.