Mount Antero
Curated by Maggie Liu · Updated:
Mount Antero, in Colorado, is one of North America's highest gem localities, famed for aquamarine and rare phenakite.
About Mount Anteroextended article
What it is known for
Miarolitic cavities in the Mount Antero granite yield blue aquamarine, phenakite, fluorite, and smoky quartz at high altitude.
What collectors look for
Gem aquamarine and the rarer phenakite, well-terminated on matrix, are the most sought-after.
Frequently asked questions
Where is Mount Antero?
Mount Antero is a mineral locality in Colorado, USA. It lies at approximately 38.6750°N, 106.2400°W. Elevation is about 4348 m.
What minerals are found at Mount Antero?
Signature minerals from Mount Antero include Aquamarine, Phenakite. The locality lies in Colorado, USA, and each mineral links to a full reference entry with formula, crystal system, and collector notes.
What is Mount Antero known for?
Mount Antero, in Colorado, is one of North America's highest gem localities, famed for aquamarine and rare phenakite.
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