This is a very special type of jade found here in California. Sometimes called nephrite jade. It is considered to be one of the strongest metaphysical stones. Used by the Chinese for thousands of years for. Good health and well-being. Jade encourages. The tolerance of others. It promotes wisdom and mental peace and a tolerance of others. Calms fears. And it encourages a person's availability. To love. It is wrapped in. .925 Sterling silver.