Both carnelian and sard are varieties of the silica mineral chalcedony colored by impurities of iron oxide. The color can vary greatly, ranging from pale orange to an intense almost-black coloration. It is most commonly found in Indonesia, Brazil, India, Russia (Siberia), and Germany.
Is carnelian found in the United States?
Sources of Carnelian include India, Brazil, Uruguay, and the Unites States (New Jersey and Oregon).
Where is the best carnelian found?
Most commercial carnelian comes from India, but it is mined world wide. Gem-quality sources also include Brazil, Egypt, and Uruguay.