Colorado Mineral Society Patch

American Federation of
Mineralogical Societies

Rocky Mountain Federation of Mineralogical Societies

CMS Members Jeff Self and Donna Ware featured on Colorado Public Radio's “Colorado Matters”

CMS members Jeff Self and Donna Ware were featured in an interview on the “Colorado Matters” program on Colorado Public Radio. The recorded interview with Ryan Warner can be listened to online via the CPR website at the link below, along with a story and photos about them.

Click Here for Interview

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A Visitor’s Guide to
Colorado Gemstones

On International Gem Society's
Website mentions the
Colorado Mineral Society

Click here to read

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COVID-19 Update: Please do not attend field trips, meetings or events if you are feelng ill or were exposed to someone who tested positive within 14 days of the trip. We will observe physcial distancing on all CMS sanctioned events or trips.

Welcome to the Colorado Mineral Society

Celebrating our 86th Year!
1936 - 2022

To attend field trips and join the Colorado Mineral Society
please go to the
New Membership and Fieldtrip Signup Page below
and create your account online

Click here for the user guide. ~ * ~ Click here for the Introduction to the new site.

2022 Field Trips*

Note: The field trips will be posted on the CMS fieldtrip website throughout the summer and automated
email notifications will go out when new trips are added.
Yellow highlighted trips are for junior rockhounds and their families.
*Bolded dates indicate confirmed trips. All other unbolded dates are tentative.


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