Quartz (silicon dioxide, SiO2) is one of the most common minerals on Earth. Learn more Formation process of quartz Learn more Where is quartz found Learn more Quartz is a crystal that is very diverse in color and type Learn more The healing properties of quartz Learn more Clear quartz is often used to improve awareness in Feng Shui Learn more Amethyst has the effect of enhancing psychic abilities and opening the 3rd eye Learn more Citrine is a naturally occurring yellow quartz in small sizes that is made into jewelry Learn more Rose Quartz is a symbol of love Learn more Rauchtopaz is the name for smoky quartz that jewelers often use Learn more Very rare morion quartz crystal block Learn more Green aventurine pillar Learn more Rutilated quartz is formed by filaments (Rutile) mixed with needle-shaped rutile crystals Learn more Phantom quartz forms naturally in a variety of colors Learn more Amethyst balls are used by feng shui practitioners to raise spirits Learn more Quartz bracelets are feng shui jewelry used by many people Learn more