Quartz crystals are a type of mineral composed of silicon dioxide. They are known for their stunning beauty and unique properties, which have made them popular in a variety of applications. Quartz crystals are known to vibrate at a specific frequency, which makes them useful in electronic devices such as watches, radios, and computers. They are also prized for their clarity and ability to refract light, making them popular in jewelry and decorative items. There are many different types of quartz crystals, including clear quartz, rose quartz, smoky quartz, and amethyst, each with its own unique color and properties. Quartz crystals are often used in alternative healing practices, believed to have energetic and therapeutic benefits.