The 38 Finest Spots To Find and Dig For Crystals In Iowa In 2024

By Dr. Keith Jackson - Geology PhD

| Updated

The 38 Finest Spots To Find and Dig For Crystals In Iowa In 2024

By Dr. Keith Jackson - Geology PhD


The geological landscape of Iowa, shaped by ancient seas and glaciers, provides a rich foundation for forming various crystals. The state is especially known for its geodes, hollow, spherical rocks lined with crystals, primarily quartz and calcite.

These geodes are often found along riverbeds and limestone areas, revealing stunning crystal interiors when cracked open.

In addition to geodes, it also yields quartz crystals, often clear or slightly milky, and calcite crystals, known for their clear, glassy appearance and smooth surfaces. The state’s rich mineral resources arise from its unique geological history.

This article gives enthusiasts and collectors helpful information about the best places to look. We’ll talk about Cedar River, Bell’s Mills Park, and Muscatine, among a few. It will also give you tips for crystal hunting, like when to go and what tools you need. This makes it an essential guide for anyone interested in exploring!

How We Picked The Best Places To Find Crystals in Iowa
We spent a lot of time determining which of the many options for digging and mining for crystals that we have available would be recommended. We wanted to have a good mix of locations for experienced and novice crystals hunters in a variety of settings. Here are the main factors we used when determining the recommendations we set out :

  • The extensive local experience and understanding of our team
  • Input from multiple local crystal hunters and crystal collecting groups
  • The accessibility of the crystal mining locations
  • Safety and potential hazards when collecting
  • Private and public locations
  • A desire to include locations for both experienced crystal hunters and those who are just starting out

Using these weights we think we’ve put together the best list out there for those who love finding new crystals for our collections!

The Types of Crystals We Found

A gorgeous amethyst crystal specimen with clusters
Amethyst photo provided by Saphira Minerals

Iowa may not be known for having a lot of crystals, but the ones that can be found here are truly amazing. The beauty of these crystals lies not only in how they look, but also in how hard it is to find them.

There are still a lot of excellent rockhounding locations in the state, and these interesting and beautiful rocks make it even more fun to explore.

Rare crystals found in Iowa

  • Amethyst
  • Aragonite
  • Carnelian
  • Moonstone
  • Sapphire

More common crystals found here

  • Agate (Banded, Lake Superior, Moss, Oolitic, Sagenitic)
  • Calcite
  • Chalcedony
  • Diamond
  • Fossils
  • Galena
  • Hematite
  • Jasper
  • Onyx
  • Pyrite
  • Quartz
  • Selenite

The Best Locations For Crystal Mining We’ve Found

A stunning deep blue natural sapphire
Sapphire photo provided by and available for purchase at GemsGuruWorld23

We had the best time exploring the following fine spots, and we think you’ll have great success finding crystals in these places, too.

Always Confirm Access and Collection Rules!

Before heading out to any of the locations on our list you need to confirm access requirements and collection rules for both public and private locations.

These requirements are subject to change without notice and may differ from what we state below.

Always get updated information directly from the source ahead of time to ensure responsible rockhounding.

Cedar River

A breathtaking view of lush and vibrant trees along the serene Cedar River

The Cedar River is an important natural resource with a long history and a diverse ecosystem. It flows for 338 miles before joining the Iowa River.

Historically, the river was very important to the growth of local communities because it was a way for early settlers and Native American tribes to travel and trade.

Its banks and riverbed are made up of sedimentary rocks, mostly limestone, which are good for geodes to form. When you break these sphere-shaped rocks open, you can see beautiful crystalline insides, mostly made of quartz and calcite. The erosion of the river exposes these geodes, making them easy for collectors to get to.

The riverbanks are home to a wide range of plants and animals, making it a great place for geology and nature lovers alike.

Where we found crystals at Cedar River

The area around the Cedar River has a history of volcanic activity, which has helped the variety and abundance of crystals in the area.

The river’s constant flow also exposes and polishes different minerals, making it possible to find unique and beautiful crystal specimens.

Bell’s Mill Park

An aerial view of the whole Bell's Mills Park's vast area

3100 Bells Mill Rd Stratford, IA 50249

Bell’s Mills Park is a hidden gem in the state’s scenic landscape. It has a rich tapestry of history and natural beauty. The park is named after a gristmill that the Bell family owned in the early 1800s.

It has remnants of the mill and the community that once thrived around it, which gives the park a layer of mystery and charm. It’s also among the best places to find Iowa gems.

The area around the park is known for its limestone formations, which are a good sign of possible crystal deposits. This limestone is part of the state’s natural makeup, comprised of sedimentary rock layers that formed over millions of years.

Where we found crystals at Bell’s Mill Park

You can find amazing samples of black Calcite cones through the outcrops and veins of Bell’s Mill Park.

Being close to water sources in the park, like streams and riverbeds, makes it more likely to find well-formed crystals. The steady flow of water helps to find and move these geodes, often polishing them.

Rock pick being used

The tools every crystal hunter will need

When you're out looking for crystals having the right tools for the job is very important. You don't need a lot for most trips but there are a handful that are critical and will make your life a lot easier.

We get asked a lot about the equipment we use. Over the years we've found a handful of tools that we recommend to both new and experienced crystal miners which we outline in great detail in our complete rockhounding supplies guide. These are quality options that also happen to be relatively inexpensive.

Below are the basic tools that make your life so much easier and save you a ton of time. Check out the full guide to see everything we recommend bringing. One quick note, as an Amazon Associate I earn from qualifying purchases but we try very hard to only recommend gear we would use ourselves and often recommend brands you can't find on Amazon.

At a minimum you should have:

1 - Sturdy rock hammer: The Estwing Rock Pick is our standard

2 - Rugged chisels: Try Kendo' 3-piece Chisel Set

3 - Compact shovel: The Koleiya 28-inch shovel works well

4 - Rock screen pan: The Wazakura Soil Sieve Set fits the bill

5 - Eye protection: DeWalt Safety Glasses are cheap and comfortable

6 - Head protection: Malta's Safety Helmet has been our go-to

7 - Jewelers lens with at least 20x magnification: Jarlink's Jewelers Loop is perfect

The crystal-finding books that we use most

There are also a few books that have been extremely helpful in the search for gems. These books have great recommendations and tips:

National Audubon Society Field Guide to Rocks and Minerals: North America 

Northwest Treasure Hunter's Gem & Mineral Guide 

Earth Treasures: The Northwestern Quadrant 

We provide links to find these tools on Amazon but some can also be found at your local hardware stores. For more recommendations check out the link to our full tool guide above.


Sunset view showing the waters and shores of Muscatine

Muscatine County, IA

According to history, Muscatine started as a trading post in the 1830s and quickly grew into a thriving community. In the 1800s, it was known as the world’s largest pearl button manufacturer because of the large number of mussel shells in the river. This historical legacy gives the city its personality.

Muscatine’s location on the Mississippi River makes it a great place for crystal lovers. The river, a natural system that is always changing, has shaped the land over thousands of years, creating many mineral deposits.

The area is famous for its geodes in the sedimentary rock formations along the riverbanks. The erosion caused by the Mississippi River is a big part of how these geodes were found and made easier for enthusiasts to get to.

Where we found crystals at Muscatine

We highly recommend exploring the area gravels to south of Muscatine. Here, you’ll find samples of Agate (Lake Superior, Moss, Sagenitic), Chalcedony, and Quartz, among other crystals. Know more about how much crystals are worth in this article.


Aerial view of the wide area of Bellevue covering its waters, forests, and neighborhood

Jackson County, IA

Bellevue is a cute and beautiful town with a lot of history. It was founded in the early 1800s and quickly grew into a busy river town that was important for trade and transportation in the area. Its historic buildings and charming riverfront give Bellevue a unique and welcoming personality.

Notably, the area has a lot of sedimentary rocks, such as limestone, that are good for geode formation. Because the river is always moving, it helps to expose these geodes, making them easier for crystal hunters to get to.

With its beautiful riverfront and chance to find geological gems, Bellevue is a unique mix of the two.

Where we found crystals in Bellevue

Explore the Mississippi River gravels to find stunning specimens of Agate (Lake Superior, Moss), Carnelian, Moonstone, and Jasper crystals, among plenty other types.


Stunning aerial view of the winding road and surrounding forest at Orient

Adair County, IA

The small, peaceful town of Orient has a rich history that returns to farming in the Midwest. It was founded in the late 1800s, and its history is linked to the growth of farming and rural community life in the state. This quaint town, with its friendly people and beautiful scenery, captures the simplicity and charm of rural America.

Orient’s geology makes it stand out as a possible hotspot. The town is in a place where the geology is suitable for the formation of quartz crystals and other mineral treasures.

The soil and rocks beneath it, which include layers of sedimentary rocks like shale and limestone, have a greater impact on Orient’s crystal formations than places where rivers are the main feature.

Orient is a great place to experience both the natural beauty and the cultural heart of the Midwest.

Where we found crystals at Orient

This area is particularly known for having the most fantastic samples of Agate and Quartz. If you’re here, we recommend exploring the area 5 miles to northeast.


Bird's eyeview of the Dubuque area showing its waters, port, viewing deck, and surrounding trees

Dubuque County, IA

Dubuque has a rich history and culture along the bluffs of the Mississippi River. It was founded in 1833 and named after a French-Canadian explorer, Julien Dubuque.

This lively city has changed a lot since its early days from a hub for lead mining and fur trading to a modern center for the arts, education, and industry. The historic buildings and the revitalized riverfront show how the city has changed.

A big reason why crystal lovers like Dubuque is its location. The city is surrounded by limestone-rich areas that are part of the Driftless Zone and were not flattened by glaciers during the last ice age. This unique geological history has caused many minerals, especially geodes, to form.

Furthermore, the karst landscape of the area, which includes sinkholes and caves, makes it a perfect place for crystal growth.

Where we found crystals at Dubuque

Dubuque’s river gravels contain the most crystals here, including Agate (Lake Superior, Moss, Oolitic), Moonstone, and Jasper crystals, so we suggest exploring here first.

My Other Favorite Places For Crystal Hunting

A mesmerizing polished moonstone gemstone
Moonstone photo provided by CrystalShopsUSA

Despite its fairly limited crystal reserves, the state still has a lot more fine spots where you can find crystals. And since our state abounds in geodes, you can expect that the places we’ll share below are also some of the best sites to find Iowa geodes.

Where you can find crystals for free

If you aim to find and take home crystals without spending much, the following locations offer the best crystal reserves in our state without requiring any fees for searching through them.

County Location
Adair Eastward at base of hills just south of Thompson River
Butler Gravel pit of Shell Rock
Clayton Guttenberg area
Clinton At River Drive and Fourth Street in the Block Company gravel operation
Dallas Mouth of branch at Raccoon River
Des Moines Burlington area gravel-dredging operations and gravel pits
Dickinson Shoreline of West Okoboji Lake
Fayette County wide especially in streams
Henry Mount Pleasant area
Keokuk Keswick area quarry
Linn Cedar Rapids area gravel pits
Mitchell Osage area
Scott Davenport area gravel pits
Story Upstream on both sides of Indian Creek
Washington At the Kaser Construction Company quarry

Other great places to dig for crystals

If you’re willing to spend a few bucks to find the crystals you’re aiming for, here are the sites that require some fee. Take note that this fee may change depending on season (or they can free sometimes!), so call the place you’re targeting to visit first before heading out.

County Location
Allamakee New Albin area mines
Appanoose In coal mine dumps
Jasper Area mines in Monroe
Mahaska Oskaloosa area coal mine dumps
Marion At the Pershing Mine dump
Monroe Albia, Brompton, Foster, Lovilia, Melrose, and Tyrone area coal mine dumps
Polk Des Moines area strip coal mines

My tips for finding crystals

An aragonite mineral with earthy hues that looks like a log

Many of the places we included above cover large areas, so to help you narrow your search, we’ll pinpoint the locations you can prioritize visiting. These are the best places to search for crystals:

Streams and Creeks

Looking for crystals in streams and creeks is a fun and interesting activity for crystal lovers and collectors. These natural waterways act as nature’s sifters, moving minerals from where they were originally found and often revealing hidden treasures to the careful observer.

The constant flow of water wears away rocks and soil, revealing crystals once buried deep in the earth. Crystals found in streams and creeks are often polished and smoothed by the moving water, bringing out their natural beauty and making them more appealing to the eye.

Quartz crystals, known for their variety and clarity, are especially easy to find in these places, as are other minerals like agates and jaspers.

Mines and Mine Dumps

Mineral fans love looking for crystals in mines and mine dumps because it directly links them to the Earth’s rich geological history. Mines that used to extract quartz, silver, gold, or other minerals often leave behind many crystals that are often missed during the mining process but can be a collector’s treasure trove.

Mine dumps, which are piles of broken down rock and other mining waste, are especially good places to look for minerals. One of the benefits of searching mine dumps is that you can find a lot of minerals that were in the mine’s geological layers.

River and River Banks

Flowing water naturally sorts things into different groups, which makes looking for crystals along rivers and riverbanks a fun and rewarding activity for mineral enthusiasts.

Rivers, especially those that cut through areas with lots of minerals, are great places to find and move crystals because the water wears away at the rocks and land around them, revealing hidden crystal formations and carrying them downstream.

The best places to look for crystals in rivers are usually where the water moves more slowly, like around bends, eddies, or the downstream side of boulders. This is because heavier things, like crystals, tend to gather in these places.

The banks and shallow areas of rivers are also great because erosion can reveal mineral-rich layers, making it easier to find crystals in the rock or soil.

The Mining Laws And Regulations You Should Know

Our state has set crystal mining laws, and as long as you comply with them, you can legally mine here. Check out the Iowa Department of Natural Resources to familiarize yourself with these laws related to exploring our state for crystals.

Ensure you are also aware and compliant with existing rules and regulations to protect our environment and biodiversity. Taking home our crystal finds shouldn’t be our only goal, but to also help maintain crystal mining as a sustainable activity for other rockhounds.

The Best Crystal Shops The Area

Showroom and available items at the Little Rock and Gem Shop

If you’re looking for a less strenuous but successful way to find and bring home crystals, we recommend visiting the local crystal shops here. Below is a list of the best ones we have:

Additional places to find crystals in nearby states

If you’ve already tried all of our recommendations above or are planning a trip out of the state, you should check out our guides for neighboring states:

If you have any recommendations we haven’t covered, please leave them in the comments below!

About Dr. Keith Jackson - Geology PhD

Keith Jackson is an avid rockhound who is constantly exploring new sites to expand his collection. He has worked as a professional Geologist for over 20 years and holds a PhD in Geology from the University of Nebraska-Lincoln, a Masters Degree in Geology from the University of Nebraska-Lincoln, and a Bachelors Degree in Geology from the University of Connecticut.

Leave a Comment