San Carlos
Curated by Maggie Liu · Updated:
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. It lies at approximately 33.3400°N, 110.4500°W. Elevation is about 800 m.
What minerals are found at San Carlos?
Signature minerals from San Carlos include Peridot. The locality lies in Arizona, USA, and each mineral links to a full reference entry with formula, crystal system, and collector notes.
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.
Looking for specimens from San Carlos?
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