The large scope of potential global public health threats is recognized in the revised International Health Regulations (IHR [2005])3 with its all-hazards approach to assessing serious public health threats.
How much is it? On average, a high-quality peridot stone can cost anywhere from $50 to $200+ per carat. Larger peridots that are exported from foreign countries can cost as much as $500+ per carat. Generally, stones mined from Burma, Pakistan and Arizona can command the highest prices.
It is historically reputed, and has been known since ancient times, to be a good stone to wear for protection against psychic attack, so it is especially good to use while doing spiritual work. Using Peridot gemstones will increase your self esteem, and aid you to let go of guilt, felt from past experiences.