These beads have historically been linked with relieving anxiety.  These beads are not a medical treatment and medical advice from doctors should always be sort for this condition.

Amethyst is so powerful in relieving stress.  Amethyst extremely spiritual stone, the lighter hued stones of a gentle violet colour are best for calming one down.  This bracelet has both dark and light amethyst beads.  Gemstone Bead , Amethyst, Round, about 8mm in diameter, hole: about 1mm.  (picture 3).  Natural Amethyst Round Bead, Undyed Size: about 8mm in diameter, hole: 1mm (picture 4)

Kunzite is good for relieving stress and tension. Round Natural Kunzite Bead, Grade AB, 8mm, Hole: 1mm. (picture 5)

Morganite is wonderful at relieving anxiety that is held onto on a deep level. It will aid those suffering from panic attacks, hyperventilation or palpitations. Natural Morganite Round Bead, 8mm, Hole: 1mm (from two different types of strands) (pictures 6 and 7)

Rose Quartz is a stone of calm.  Natural Rose Quartz Bead, Round, Pink, 8~9mm, Hole: 1mm. (picture 8)

Rhodonite is very good to use to treat panic attacks, fear or anxiety.  Natural Rhodonite Bead, Round, 8~8.5mm, Hole: 1mm. (picture 9)

Tigers Eye, whilst not a calming stone as such, does help to ease tension and lift vibrations so that fear and anxiety may be lessened.  Natural Tiger Eye Bead, Round, Colorful, 8mm, Hole: 1mm Dyed (picture 10)