The Yemenite al-Jaza‘ (Carnelian) and The Crystals

“’Amir al-Mu’minin (a.s.), has said, ‘Use Yemenite carnelian as the ring; it dispels plots, the evil plans of defiant Satans.’”

“Abu ‘Abd Allah (a.s.), has said, ‘Al-Billur (crystal) is very good for the stone of a ring.”’