Carnelian

In ancient times, healers believed carnelian gemstones could be used to treat ailments of the blood. This carnelian ring stone features a carving of Asclepius, the Roman god of medicine. Late Roman Republican or Imperial period, 1st century BCE to 3rd century CE, 1.1 x 1.5 x 0.3 cm. Gift of John Taylor Johnston, 1881. Metropolitan Museum of Art, New York. Public Domain (cropped to show detail).

Article: Gemstones with Health Benefits

Credit: Metropolitan Museum of Art