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Mt Antero, Chaffee Co., Colorado, USA

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Mt. Antero may be the highest elevation mineral-collecting locality in the contiguous 48 states, at over 13,000 feet. It is generally accessible only in late summer, and then is difficult due to summer storms and low oxygen levels in the air. It is located within the San Isabel National Forest, about 15 miles northwest of Salida, in a chain of 14,000-foot peaks in the Collegiate Range. Mineral specimens have been collected at Mt. Antero from pegmatites and miarolitic cavities in granite since 1885. (Jacobson, 1979).

Mineral List

Mineral list contains entries from the region specified including sub-localities

58 entries listed. 36 valid minerals.

Localities in this Region

The above list contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Jacobson, M.I. (1979). Famous mineral localities: Mount Antero. Mineralogical Record 10(6), pp:339-346.

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