This quartz stone is typically clear with a touch of a salmon to deep-red color.  It is said to fall from the skies to the person for whom it will provide protection.  In other recordings it is a stone that can be mined from the ground.  It is said to provide protection against strikes of lightning, drowning, misfortunes, and disasters of all kinds.  On a positive note, it will provide its owner a restoring, blissful night of sleep.