Quartz

Quartz is the second most common mineral found in the Earth's crust. Natural Quartz colors include Rose Quartz, Smoky Quartz, Lemon Quartz, and Rutilated Quartz. Quartz can be cut and polished into unlimited shapes, including rounds, hearts, rectangles, ovals, carved pendants, faceted teardrop briolettes, and rondelles. Finer Quartz can be gem cut, rivaling more expensive gemstones.