Bi-Colored Quartz is a two tone variety of Quartz which can be found in any two hues. Our favorite colors are Citrine and Smoky Quartz with their rich and warm tones. Bi-colored Quartz can be found in nature or can be a color enhanced quartz. Bi-color Quartz beads can be light to dark in saturation and may show amazing internal structures in smoky or lemon quartz. These Quartz gems are found worldwide.