Naica
Curated by Maggie Liu · Updated:
Naica, in Chihuahua, Mexico, is world-famous for its giant selenite (gypsum) crystals — some of the largest natural crystals ever discovered.
About Naicaextended article
What it is known for
The Naica lead-zinc-silver mine's hydrothermal caves, notably the Cave of Crystals, grew translucent selenite beams metres in length; the mine also yielded fine anhydrite and sulfides.
What collectors look for
Selenite from Naica — water-clear blades and groups — is the prize; museum-grade material is now scarce since the caves flooded after mining ceased.
Frequently asked questions
Where is Naica?
Naica is a mineral locality in Chihuahua, Mexico. It lies at approximately 27.8500°N, 105.4900°W. Elevation is about 1400 m.
What minerals are found at Naica?
Signature minerals from Naica include Selenite, Gypsum, Anhydrite. The locality lies in Chihuahua, Mexico, and each mineral links to a full reference entry with formula, crystal system, and collector notes.
What is Naica known for?
Naica, in Chihuahua, Mexico, is world-famous for its giant selenite (gypsum) crystals — some of the largest natural crystals ever discovered.
Looking for specimens from Naica?
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