Rock Crystal, The Sparkling Birthstone for July 3rd
Birthstone for July 3rd: Rock Crystal Description of Rock Crystal Rock Crystal, also known as clear quartz, is a transparent variety of quartz that has been valued for its pristine clarity and striking appearance for centuries. This gemstone is made of silicon dioxide and is one of the most common and widely distributed minerals on Earth. While its purest form is completely colorless, impurities can cause slight variations in hue, giving rise to other types of quartz, like amethyst or citrine....