In this bracelet the 4 mm beads are made of Serpentine. Serpentine brings body and soul in harmony. Helps to keep negative energy at bay. Has a calming effect if you suffer from stress. The beautiful oval gemstone in the middle has a size of 18 x 13 mm. Amazonite is a strong protector. Has a calming effect. Balances reason and intuition. This bracelet is available in the following sizes 17, 18 and 19 cm in silver and gold. This bracelet is nice to combine with the other 4 mm bracelets from Mas Jewelz.