Approximately 1”（20-30 mm）
Material: Blue Onyx
High Quality Blue Onyx!
Blue Onyx refers to the type of Onyx stones that are dyed different shades of blue. It may also be banded or unbanded.Onyx Stone is a strength-giving stone, giving you support in difficult or confusing times, as well as during times of enormous. It is believed to provide a positive feeling, strong mental support and helps to take wise decisions during your difficulties.