Abundant mineral is a term used to describe minerals that are found in large quantities and are relatively easy to access. QUARTZ is one such mineral, with its six letters making it an ideal crossword solution. QUARTZ is a common mineral found in many different types of rocks and is composed of silicon dioxide. It is often used in jewelry and other decorative items due to its attractive appearance. QUARTZ is also used in the production of glass and ceramics, as well as in electronics and construction materials.