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Collecting Geodes!

Updated on March 21, 2014

What Are Geodes?

What are geodes? Geodes are a part of our history. They are rocks that have formed over millions of years.

In simple terms, geodes are usually made up of an outer shell of limestone with a center that is made of quartz crystals or chalcedony. The center of the geode can be solid or it can be hollow. Geodes that are solid all of the way through are called nodules. If the geode has a hollow center, you can often hear a rattle if you shake it. The rattle is caused by a small piece of crystal that is bouncing around inside the hollow center.

When cut or busted open, the geode will display a center that can be beautiful with it's different colored crystals. Some are valued highly by collectors and museums.

At first a geode may be hard to find but once you have found a few, you'll be able to spot them from a distance. So, don't give up if you don't find one right away! Cutting open a geode and discovering the beautiful crystals inside can be a great experience.

This site is for those of you who want to learn a little more about collecting geodes and about others who collect them. There are links for you to buy geodes or books about geodes and other "rockhounding" hobbies. If you want to get more "in-depth" information about geodes, please visit the highlighted links or this link to Geodes in Wikipedia.

Bookmark us and stop back! we'll be adding more finds, pictures and info.

Finding A Geode!

It's not really that hard to find a geode! A little research can tell you where your best chances of finding them will be. The best states for searching for geodes are Indiana, Illinois, Iowa, Kentucky, Missouri, Tennessee and Utah. They also are common in Brazil, Mexico and Namibia.

It is not unusual to find a geode in a freshly plowed filled or while removing rocks from a field before planting. Creek beds are the most common places for searching.

We'll be adding more locations as we hear from our visitors.

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Jerry's Place!

The Rockhound's Handbook
The Rockhound's Handbook

Carry this one with you!

From Lovella of Dover, Tn.
From Lovella of Dover, Tn.

From Dover,Tn

I've been getting some great pictures from Lovella of Dover,Tn. Lovella has recently moved there and has found one of those spots that we'd all love to find. I'll be featuring some of her geodes here, so I'll be anxiously waiting to see more of them.

By the way, Lovella is interested in selling some of her geodes so if your interested, leave a comment below. We'll find a way for you to contact her.

From what I hear, several sites that produce nice geodes in Tennessee are the Elmwood Mine, the Cumberland Mine and the Gordonsville Mine in the central area of Tennessee.

If you are interested in any of Lovella's geodes, you can contact her at Contact Lovella!

Part of Lovella's Geodes


Another Geode from Lovella
Another Geode from Lovella

Keokuk, Ia.

While the geode is Iowa's state rock, you have to know where to go. Keokuk is in south-east Iowa and seems to be the best place to find them.

Geodes are found all over Iowa and are picked up from farm fields all of the time, but the largest concentration of them seems to be in the south-east part of the state.

There are several sites on the internet that picture and sell geodes from Keokuk. There will be a few links at the bottom of this page.

One Of A Kind?

You don't always get what you expect when you pop open a geode. The one pictured here was an unusual blackish color and I was hoping for some darl colored crystals.

When I opened it up, I found what looks to be tar. I would imagine that it's large deposits of this stuff that oil companies drill into.

I'd like to hear from others who have found geodes like this.

Geodes: Nature's Treasures!

Geodes: Nature's Treasures
Geodes: Nature's Treasures

In this book two renowned experts share their lifelong passion for geodes and their extensive knowledge of world-class geode deposits as they present the latest theories on the formation and occurrence of these amazing mineral gifts of nature. Visit the geode mines of Northern Mexico and Southern Brazil with Brad Cross. Learn the geode mining process and how the astonishing treasures hidden inside are uncovered. Travel with June Culp Zeitner as she explores vast geode deposits throughout the Midwestern U.S. that provide a recorded history of the ancient seas that once covered the land. Discover Florida's ocean harvest of unparalleled agatized geodes. Meet the close cousins of geodes--thundereggs, septarians and concretions. See over 140 full-color photos of geodes that defy description!


Garnets and Geodes Video

Cracking a Geode Video

Cracking Open A Geode

Below is the link to a nice video that I found on Geode

Video on opening a geode with hammer and chizel!

Share your geode hunting stories or just let us know what you think of this site!

Let Me Hear From You!

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    • profile image

      Angela 2 years ago

      I recently discovered some geodes. I was curious one day and took a few to the local pawn shop and asked them to test it to see what the diamond tester would read. One tested positive for diamond but when I pulled a few crystals out and tested them it didn't test positive. What does this mean & how can I tell the difference by looking?

    • profile image

      anonymous 4 years ago

      I just spent the weekend at Dale Hollow Lake. My dad knew I like rocks and fossils, and he mentioned that geodes had been found in the area. I found one, and I was hooked!! I took my kayak out in some of the coves along the lake. If you want to start a collection-you'll have no trouble!! It was exciting.

    • Blackspaniel1 profile image

      Blackspaniel1 6 years ago

      Nice lens.

    • OldStones LM profile image

      OldStones LM 6 years ago

      Very nice lens. I have found a couple of geodes here in MI. Geodes are always a fun surprise when you crack them open.

    • profile image

      dannystaple 6 years ago

      Back in my hometown we used to have a fossil shop, which among other things, used to have a collection of huge geodes set up as book ends or similar. Anyway - this is a great lens. Some of those wikipedia links could become excerpts further down using the wikipedia module. I've given you a

      n angel blessing - this one stood out of the crowd!