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G4U News

Geodes4u.com Open Soon

After a long break, Geodes4u.com sales pages will be coming back sometime in the Winter of 2018. Thank you to all buyers who bought everything placed up for sale. It is our hope to continue to offer the Iowa State Rock to people everywhere.



Geodes In The News

A geode graces the cover of the 60th Anniversary edition of The Iowan in 2011.

Sheffler's Geode Mine

This was big news a few years ago, when the Missouri DOT leveled this longtime landmark, and geode icon in the name of progress. I have not as of yet heard an accurate explanation of the current state of affairs for this facility. This Spring, it is my intention to find out ! When I do, I will share it here.


World's Largest Geode

(taken from the Heineman's Winery website)

Discovered by workers in 1897 while digging a well for the winery 40 feet above, Crystal Cave is the world's largest geode. The walls of this cave are covered in strontium sulfate, a blueish mineral called celestite. These crystals range from 8 to 18 inches long. The original cave was much smaller than what appears today, as crystals were harvested and sold for the manufacturing of fireworks.

Heineman's Winery
978 Catawba Street. Box 300. Put-in-Bay, Ohio 43456


Just found this in a stack of some old "rock" books. Circa 1980's (?)