San Carlos
San Carlos, in Arizona, is one of the world's main sources of gem peridot — the green gem variety of olivine.
About San Carlosextended article
What it is known for
Peridot weathers from olivine-rich mantle xenoliths in basalt on the San Carlos Apache lands, yielding small but clean gem-green crystals and cut stones.
What collectors look for
Gemmy green peridot crystals and grains are the collector and lapidary interest; San Carlos is a benchmark peridot source.
Frequently asked questions
Where is San Carlos?
San Carlos is a mineral locality in Arizona, USA.
What minerals are found at San Carlos?
Minerals from San Carlos include Peridot.
What is San Carlos known for?
San Carlos, in Arizona, is one of the world's main sources of gem peridot — the green gem variety of olivine.
References & databases
Mindat.org is the world’s largest open mineralogy database.