There must have been “Jade Roads” from Itoigawa and beyond upon which the precious stone was transported, as jade found in Korea has also been traced back to Itoigawa. Then, poof! Jade seemed ...

Kidney stones are pebble-sized deposits that form when there’s too much salt and minerals in your urine. Learn whether men or women are more at risk, what passing one feels like, and how big ...

Established in 1931, the Gemological Institute of America (GIA) is the world’s foremost authority on diamonds, colored stones, and pearls. A public benefit, nonprofit institute, GIA is the leading ...