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.
Today, most Peridot comes from Arizona but it is also found in China, Myanmar, and Pakistan. Peridot is available in several colors ranging from yellowish green to brown, but the bright lime greens and olive greens are the most desired.