Crystal Dragon is a gem and jewelry store in Madrid with a beautiful atmosphere and an amazing selection. It offers unique, high quality, and beautiful pieces from several local artists. The store features many turquoise pieces and other gemstones from the area, along with fossils, yoga items, and cool stuff. Prices are described as extremely reasonable and incredible for top notch quality. The owner is friendly, knowledgeable, down to earth, and invested in the community. This shop is considered a hidden gem and an essential experience for visitors to the area.