Types of Rocks Found In Florida: A Guide To the 5 Most Common You'll Spot - Yes Dirt (2022)

Limestone, limestone, limestone, is what you will hear about rocks in Florida.

However, that is not all that there is to find if you are rock hunting in the Sunshine State.

The state stone is agatized coral, and dolomite and other gems are in abundance here.

Florida is also the home of many fossils that are reportedly millions of years old.

Learn about the top five most common types of rocks found in Florida right here.

Types of Rocks Found In Florida: A Guide

Agatized Coral

Agatized coral is a unique rock that is also called fossil coral.

This is a rock that is tan or brown on the outside of the rock, and has cream or white-colored spots inside.

Coral is formed from ocean animal skeletons from animals that lived under the ocean waters, and that is how Florida became home to so many specimens of agatized coral.

When the animals were alive, the carbon dioxide that they created would combine with the salt elements in ocean water to form coral.

This process takes millions of years.

The most common places to find agatized coral are in Tampa Bay, the Suwannee river beds, and the Econfina River.

It is also found in Stephen Foster State Park.

Because there is so much of this stone in Florida, it was recognized as the state stone in 1979.

The stone is used for many things, including home décor and jewelry.

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It also has a purported metaphysical function and is said to be used to aid in negotiations and reconciliation for those that practice crystal healing in the New Age community.

Limestone

Although agatized coral is the state’s stone, and very popular in Florida, the most common stone found here is limestone.

There are many different kinds of limestone in Florida.

This is a stone that becomes limestone after being covered by clay and sand.

It is typically a grey or blue color, and is a harder stone.

It can also sometimes be white or lighter in appearance.

The most common uses of limestone today are in road construction and fertilizer.

Limestone is frequently used in outdoor home décor and landscaping, for driveways and roads.

One area of Florida that is rich in limestone is on the Atlantic Coast side of Florida near the St. Johns and Palm Beach County area, where a type of limestone called the Anastasia Formation is found.

Here you will find limestone that includes shells and quartz, and it may even sparkle in color.

The closer you are to the water, the more likely you are going to find limestone that is considered the Anastasia Formation.

There is also a limestone called Key Largo limestone and is gray and white with sparkles of fossils in it.

This is most commonly found along the Key Largo corridor that runs from Soldier Key to New Harbor Keys.

Another common kind of limestone found in Florida is called Miami limestone and is found exactly where it says it is.

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This is a softer limestone that contains some elements of quartz sand that give it a softer appearance and texture.

You might see small ooliths in this type that are fossilized eggs from animals of the ocean.

The most common areas you will find this are in Dade and Broward counties but Monroe County and Collier is home to Miami limestone as well.

Ocala limestone is another common limestone in Florida that is softer even that Miami limestone.

This is a porous limestone that is slightly denser with more crystalline elements to it that give it a unique look.

Suwanee limestone differs from other Florida limestones in that it has a higher amount of calcium carbonate.

It contains more sand and clay than other types of Florida limestone as well.

Florida limestone is used in Florida and across the nation for many purposes, from industrial to home landscaping, and for décor as well.

On its own when sold or offered as single rocks or stones, it offers a beautiful accent in any room or rock collection as a stand alone specimen.

Aragonite

Aragonite is carbonate and is very similar to calcite in structure with an interior crystal definition that gives it a beautiful look.

This crystalline structure inside the stone makes the specimen iridescent.

It is typically beige or golden in shape, with irregularities that make it stunning.

Aragonite is often confused with coral reef, and is found close to the shores of ocean waters.

The mass uses for aragonite are in steel productions, however it is also used in artwork and on its own as a single specimen or stone in the metaphysical world.

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From a metaphysical perspective, aragonite is thought to offer self-confidence and self-worth and help the individual feel better about themselves.

Chert

Chert is a stone that is also called flint (depending on the color).

It is typically gray, but can also be found in red, blue, orange, and even yellow.

This is a very hard stone that has limestone components to it.

Its history of use in Florida goes back to the Native Americans hundreds of years ago who would use it to make arrowheads and axe heads.

In Europe, chert was once used to mill grain. Today chert in jewelry and home décor brings a stately look to any room or attire.

Today, chert is sometimes considered to be gravel or driveway fieldstone, and this is often what it is used for.

It is frequently used industrially for roadways and construction.

Its compact definition makes it a very durable stone.

Chert is found in many locations in Florida, including Marion County and Alachua County where it is found with fossilized ivory.

Red chert can be found in Jackson County.

Dolomite

Dolomite is a mineral that is sedimentary in nature.

It is found in a wide variety of colors such as white, pink, and light brown, and often has big streaks throughout it, giving it a striking appearance.

It is primarily calcite in structure, which makes it a very hard stone.

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When immersed in acid, dolomite has a stunning effervescence that is appealing to many rock hunters.

Dolomite is also used to make glass, brick, and many ceramic materials.

It can be sold on its own as well.

When refined, it is a stunning rock where every specimen is unique and brings a gorgeous shine to any room or piece of jewelry.

Dolomite is very common in Florida, and there is even a company called Dolomite Inc. based in Florida.

Rock hunters can find it on the shores in Broward County and Pompano Beach.

Plan Your Florida Rock Hunt

Many rocks and stone specimens are typically formed from sedimentary layers of material, and the combination of fossilized remains.

Because Florida is surrounded by water, this makes rock hunting in Florida unique, as fossilized remains from sea animals found in stones and specimens makes rock hunting here so distinctive.

It’s another reason why stones have a metaphysical quality to them for millions of people in the world.

This is energy recycling from that perspective.

Still, it might simply be recycled for driveways or interior décor, and still offer a stately elegance to any home, when any of these rock specimens are used in your life.

Florida is a land of abundance for rock hunters.

What you find here will be unlike any other rock in the nation.

Begin planning your Florida rock hunt today.

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You might also like:

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  • Moonstone Hunting in Florida
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  • Types of Rocks Found In Florida
  • Where To Find Flint In Georgia
  • Types of Rocks Found In Georgia

FAQs

What are the most common rocks in Florida? ›

LIMESTONE: Various types of limestone underlie all of Florida, but in many parts of the state, the limestone is covered by the sand and clay that forms the land surface. Limestone is a sedimentary rock composed principally of the mineral calcite (CaCO3).

What type of rocks do you find in Florida? ›

Primarily Florida is covered with sedimentary rocks: limestone or calcite and sandstone. Pyrite has been found in Ocala and Petrified Wood has been found in Bartow. The most famous rock found in Florida is Agatized Coral or more accurately Agate Pseudomorphs after Coral. It was named the state rock in 1979.

What is the only rock in Florida? ›

In 1979 the Florida Legislature designated agatized coral as the Florida State Stone.

What is Florida State mineral? ›

In 1970, lawmakers adopted the moonstone as the official state gem. Ironically, the moonstone, a form of the mineral feldspar, is not found naturally in Florida... nor was it found on the moon!

What are the most common rocks? ›

Sedimentary rocks are the most common rocks exposed on Earth's surface but are only a minor constituent of the entire crust, which is dominated by igneous and metamorphic rocks.

What is the most common rock found? ›

Sedimentary rocks are rocks that are made from pieces of other rocks. They are the most common type of rock that covers the Earth's surface, with approximately 75% of the rocks at the Earth's surface being sedimentary.

What type of dirt does Florida have? ›

The most common soil textures in Florida are fine sand, sand, loamy fine sand, loamy sand, fine sandy loam, sandy loam, sandy clay loam, and sandy clay. On occasion, the textures clay, clay loam, and loam are encountered.

What kind of rock is most of Florida sitting on? ›

Florida's landscape varies widely. Many of Florida s prominent features have resulted from karst, a landscape with a base layer of limestone. Because limestone is porous, freshwater gradually dissolves the rock and forms cracks and passages. The limestone layer of the state is honeycombed with underground rivers.

What are the oldest rocks in Florida? ›

The middle Eocene Avon Park Formation limestones and dolostones are the oldest rocks that can be found exposed at Florida's surface, and they sometimes contain well-preserved seagrass fossils indicative of their shallow water formation.

What precious stones are found in Florida? ›

What Gemstones Can Be Found in Florida?
  • Fossils (particularly marine)
  • Crystals.
  • Quartz.
  • Staurolite.
  • Limestone.
  • Dolomite.
  • Chert.
  • Petrified Wood.

Are there diamonds in Florida? ›

Three hundred and twenty-six diamonds were found on St. Pete Beach between July 14 and 19, 1996, all sparkling for the Conchologists of America Annual convention. Most of these gems were set in the beautiful TradeWinds resort, but all did not stay there the entire week.

Is there volcanic rock in Florida? ›

There are no volcanoes in Florida. This is because Florida is not located close to any sites of tectonic activity such as zones of subduction or fault lines.

What are 5 natural resources in Florida? ›

Resources mined in Florida include phosphate, limestone, dolomite, shell, heavy minerals, fuller's earth, peat, clay, gravel and sand.

Where is moonstone found in Florida? ›

Caladesi Island State Park in Dunedin, Florida

Moonstones are found on this island, which is small and undeveloped. They're buried along the sandy beach; dig about seven inches deep to find your moonstone.

Is Jasper found in Florida? ›

Jasper is a city in Hamilton County, Florida, United States. The population was 4,546 at the 2010 census, up from 1,780 at the 2000 census. It is the county seat of Hamilton County.
...
Jasper, Florida
Location in Hamilton County and the state of Florida
Coordinates: 30°31′8″N 82°57′4″W
CountryUnited States
StateFlorida
19 more rows

What are the 5 most common minerals? ›

The five most common minerals on Earth are quartz, feldspar, mica, amphibole (such as hornblende), and olivine. Some of these are not commonly "used" in daily life; the most commonly used minerals are copper, platinum, silver, gold, cobalt, platinum, aluminum, and lithium.

What are the 4 main rock types? ›

There are three main types of rocks: sedimentary, igneous, and metamorphic. Each of these rocks are formed

rocks are formed
A rock formation is an isolated, scenic, or spectacular surface rock outcrop. Rock formations are usually the result of weathering and erosion sculpting the existing rock. The term rock formation can also refer to specific sedimentary strata or other rock unit in stratigraphic and petrologic studies.
https://en.wikipedia.org › wiki › List_of_rock_formations
by physical changes—such as melting, cooling, eroding, compacting, or deforming—that are part of the rock cycle
rock cycle
The rock cycle is a basic concept in geology that describes transitions through geologic time among the three main rock types: sedimentary, metamorphic, and igneous. Each rock type is altered when it is forced out of its equilibrium conditions.
https://en.wikipedia.org › wiki › Rock_cycle
. Sedimentary rocks are formed from pieces of other existing rock or organic material.

What sedimentary rocks most common? ›

95% of all sedimentary rocks consists of sandstones (made up of sand sized fragments), mudrocks (made up of silt and clay sized fragments), and carbonate rocks (made up of mostly calcite, aragonite, or dolomite). Of these, the mudrocks are most abundant, making up about 65% of all sedimentary rocks.

What is the most common igneous rock on land? ›

Granite Rock

The most common igneous rock found at the Earth's surface is granite. Widely used in construction, granite contains crystals that are visible to the naked eye due to the very slow crystallization below the surface.

What are the type of rocks? ›

There are three kinds of rock: igneous, sedimentary, and metamorphic. Igneous rocks form when molten rock (magma or lava) cools and solidifies. Sedimentary rocks originate when particles settle out of water or air, or by precipitation of minerals from water. They accumulate in layers.

What kind of rock is most of Florida sitting on? ›

Florida's landscape varies widely. Many of Florida s prominent features have resulted from karst, a landscape with a base layer of limestone. Because limestone is porous, freshwater gradually dissolves the rock and forms cracks and passages. The limestone layer of the state is honeycombed with underground rivers.

What is the most common carbonate rock in Florida? ›

Carbonate rock (limestone, dolostone

dolostone
Dolomite (also known as dolomite rock, dolostone or dolomitic rock) is a sedimentary carbonate rock that contains a high percentage of the mineral dolomite, CaMg(CO3)2.
https://en.wikipedia.org › wiki › Dolomite_(rock)
) aquifers are the most common and productive in Florida.

What are the two most common carbonate rocks in Florida? ›

Karst is a generic term that refers to the characteristic terrain produced by erosion processes associated with the chemical weathering and dissolution of limestone or dolomite, the two most common carbonate rocks in Florida.

What is the most common fossil found in Florida? ›

Of all the animals mentioned above, the most common vertebrate fossil finds here (and worldwide) are shark teeth. On any given day, in the right location, many teeth are usually found. These are from several species, some extinct, some still living.

What is the oldest rock in Florida? ›

The middle Eocene Avon Park Formation limestones and dolostones are the oldest rocks that can be found exposed at Florida's surface, and they sometimes contain well-preserved seagrass fossils indicative of their shallow water formation.

What is Florida ground made of? ›

In general, Florida's soils consist of sand, sandy loam, clay, peat, and muck, but more than 300 soil types have been mapped. Six broad soil regions may be described: (1) The flatwood lowland soils form the largest soil region in Florida, which corresponds to the coastal lowlands.

Why does Florida have sedimentary rocks? ›

Types of Rocks

Erosion and weathering cause sediment in rivers and beaches, which over time, can built up and become cemented and compacted to form sedimentary rocks, such as sandstone.

Is Florida known for limestone? ›

Florida has unique origins. What would become the basement rocks of Florida were once part of other continents. During the early part of the Cenozoic Era, Florida was submerged under a warm, shallow, ocean which explains why our entire state has hundreds to thousands of feet of limestone beneath it!

Why is limestone common in Florida? ›

Limestone, shell

Limestone, shell
Shelly limestone is a sedimentary rock because it is made up of fragments. To be shelly, it is full of broken shells which are "glued" together with calcite. Calcium carbonate often makes up around 10% of the volume, whilst many varied sized shells from granular to very large pebbles. Its color is gray.
https://en.wikipedia.org › wiki › Shelly_limestone
and dolomite
dolomite
Dolomite (/ˈdɒl. əˌmaɪt, ˈdoʊ. lə-/) is an anhydrous carbonate mineral composed of calcium magnesium carbonate, ideally CaMg(CO3)2. The term is also used for a sedimentary carbonate rock composed mostly of the mineral dolomite.
https://en.wikipedia.org › wiki › Dolomite_(mineral)
are types of marine deposits that have accumulated in Florida over millions of years during times when the state was covered over with seawater or shallow marshes. During this time, limestones formed by chemical deposition and the accumulation of shells from sea creatures.

Where are igneous rocks most commonly found? ›

Igneous rocks form when magma (molten rock) cools and crystallizes, either at volcanoes on the surface of the Earth or while the melted rock is still inside the crust. All magma develops underground, in the lower crust or upper mantle, because of the intense heat there.

What are the three most common rocks? ›

There are three main types of rocks: sedimentary, igneous, and metamorphic. Each of these rocks are formed

rocks are formed
A rock formation is an isolated, scenic, or spectacular surface rock outcrop. Rock formations are usually the result of weathering and erosion sculpting the existing rock. The term rock formation can also refer to specific sedimentary strata or other rock unit in stratigraphic and petrologic studies.
https://en.wikipedia.org › wiki › List_of_rock_formations
by physical changes—such as melting, cooling, eroding, compacting, or deforming—that are part of the rock cycle
rock cycle
The rock cycle is a basic concept in geology that describes transitions through geologic time among the three main rock types: sedimentary, metamorphic, and igneous. Each rock type is altered when it is forced out of its equilibrium conditions.
https://en.wikipedia.org › wiki › Rock_cycle
.

Where is calcite found in Florida? ›

These localities occur within specific regions, including the area around Marianna in the Panhandle, the Lecanto – Brooksville area in West-Central Florida, exposures of Miami Oolite in the Broward / Miami-Dade region of Southeast Florida, and scattered East-Central Florida exposures from shallow excavations.

Is Florida built on limestone? ›

Underlying all of them is the fact that Florida is built on a bedrock of carbonate, primarily limestone. That rock dissolves relatively easily in rainwater, which becomes acidic as it seeps through the soil. The resulting terrain, called “karst,” is honeycombed with cavities.

What is Florida's state fossil rock? ›

Florida does not have an official state fossil (approval of the echinoid Eupatagus antillarum as the state fossil is pending), but its state stone is a fossilized coral (Montastrea sp. is pictured) that lived in the shallow seas covering the area during the upper Oligocene to lower Miocene (23-26 million years ago).

What type of fossils are found in Florida? ›

Fossil Species of Florida
SpeciesTaxonomyCommon Name
Alligator olseniReptiliaOlsen's alligator
Amebelodon brittiMammaliaBritt's shovel-tusker; gomphothere
Amphicyon longiramusMammaliaWhite's bear-dog
Aquila biviaAvesextinct golden eagle
21 more rows
26 Feb 2020

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