Material: The gold parts are made from Goldfilled which means that it's composed of a solid layer of gold, which must constitute at least 5% of the item's total weight, mechanically bonded to a base metal. Because of this particular process goldfilled items are long lasting and will not tarnish by normal use.
The charm is a little Opal bead. This beauty is known for giving or helping with: protection, activating, strong connection with love and passion, self-healing ability, purifying.
Because this is a product from nature, all the beads will be slightly different, which makes them one of a kind.
It is also the birthstone of October.