Llallagua / Siglo XX
Curated by Maggie Liu · Updated:
Oruro, in the Bolivian Altiplano, is a historic silver–tin district (the San José and Itos mines); the Itos mine is the source of celebrated franckeite specimens.
About Llallagua / Siglo XXextended article
A historic Bolivian silver–tin district
The Oruro district, in Bolivia's Eastern Cordillera, has been a major silver and tin producer, worked through complex veins in quartz-latite porphyry. The San José and Itos mines are its best-known workings.
What collectors look for
Oruro is celebrated for franckeite (the Itos mine is a noted source), along with cassiterite, silver sulfosalts, and other tin–silver vein minerals.
Frequently asked questions
Where is Llallagua / Siglo XX?
Llallagua / Siglo XX is a mineral locality in Oruro, Bolivia. It lies at approximately 18.4300°S, 66.5900°W. Elevation is about 4100 m.
What is Llallagua / Siglo XX known for?
Oruro, in the Bolivian Altiplano, is a historic silver–tin district (the San José and Itos mines); the Itos mine is the source of celebrated franckeite specimens.
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