Known as a stone of motivation and endurance, leadership and courage, Carnelians have protected and inspired throughout history. A glassy, translucent stone, Carnelian is an orange-colored variety of Chalcedony, a mineral of the Quartz family. A stabilising stone, Carnelian restores vitality and motivation, and stimulates creativity. It gives courage, promotes positive life choices, dispels apathy and motivates for success. ... Carnelian treats lower back problems, rheumatism, arthritis, neuralgia and depression.