Featured Specimens
Latest News

Brazilian Oco Geode Pairs!

04/18/2018 at 08:57

A selection of Brazilian Oco geode pairs was added to the site today.


New Whole Coconut Geodes!

04/05/2018 at 19:46

A group of Whole Coconut Geodes from Chihuahua, Mexico was posted to the site today.


Brazilian Oco & Agate Geodes!

04/03/2018 at 11:58

We are pleased to add Whole Brazilian Oco geodes to our website.  We also added a new selection of Whole water filled Brazilian agate geodes today as well.


Brazilian Agate Geodes!

03/22/2018 at 11:51

A group of high quality Brazilian agate geode halves and pairs was just added to our Opened Brazilian Agate Geodes page.

What are geodes?


What are geodes?We are Geode Gallery LLC, but what is it that we are selling? What are Keokuk geodes? How do I open geodes?


Check out the resources below and find out more about geodes and how to open them!  More geode resources will be added in the future as well.

Keokuk Geodes | How Do I open Geodes? | Geode Gallery YouTube Channel (coming early 2018!)


About us


A direct-from-the-source provider of quality geode and mineral specimens since 1995, Geode Gallery LLC is based in Davenport, Iowa and is managed by Mike Sandstrom, who collected his first geode at the age of 8. Today, Mike maintains the Geode Gallery website, travels to rock, gem, and mineral shows across the country, and is in his 23rd year of actively mining Keokuk geodes, the Geode Gallery’s specialty!

Mike invites you to browse his website both for geodes, minerals, display stands, and for geode-related educational information and hopes you will find everything you need. If not, just ask!