Featured Collections

Colorado State Gemstone: Aquamarine

Captivating crystals

The collectors who pulled this specimen from a mineral-studded pocket atop Mount Antero, Colorado, hit a geologic jackpot. This six-centimeter-long aquamarine crystal was not only a deep aqua, but it was studded with a boutonniere of purple fluorite. Donated to the Museum by Marge Regel in 1997, it is one of the most unique aquamarines ever collected.

James Hagadorn, PhD

Tim & Kathryn Ryan Curator of Geology

Kristen A. MacKenzie, MS

Earth Sciences Collections Manager

Nicole Neu-Yagle, MS

Earth Sciences Assistant Collections Manager

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