How do you tell if you've found a geode?

Tell-Tale Signs of a Geode
  1. Geodes are usually spherical, but they always have a bumpy surface.
  2. Geodes will sometimes have loose material inside, which can be heard when shaking the rock. ...
  3. Geodes are usually lighter than their size would indicate since the interior doesn't contain any material.
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How do you tell if there is a geode inside a rock?

If the rock feels lighter than that surrounding rocks, it may be a geode. Geodes have a hollow space inside, which is what allows the crystals to form. You can also shake the rock next to your ear to test whether it is hollow. You may hear small pieces of rock or crystal rattling around inside if it is hollow.
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How can you identify a geode from the outside?

Look for a bumpy textured surface

The shape of a rock isn't the only visible indication of whether or not it's a geode. If you've found a geode it will usually have a lumpy, bumpy sort of texture on the outside.
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How do you know if a geode is valuable?

Geodes' worth ranges dramatically from around $5 to thousands of dollars. Geodes' price depends on a list of factors, which are the size, scarcity, color, clarity of crystals, their luster, and the presence of flaws. A geode that has perfectly formed flawless crystals of bright color is the most valuable.
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What should I look for when geode hunting?

Recognizing Geodes. Look for rocks with a bumpy texture. When you're searching, you want to look for lumpy rocks. Geodes have lots of bumps and texture to them, so steer clear of any rocks with a very smooth surface.
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How to Spot a Geode



Where are geodes commonly found?

Geodes are found all over the world, though they are most concentrated in desert regions. Other places where geodes are common are volcanic ash beds and areas containing limestone. There are geode collecting sites all over the U.S. in California, Utah, Arizona, Nevada, and Iowa.
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What is the rarest geode color?

The rarest and most valuable geodes contain amethyst crystals and black calcite.
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How much is a large geode worth?

Large amethyst geodes can go for thousands. Baseball sized geodes with non-spectacular quartz or calcite crystals can be purchased for $4-$12. Geodes with uncommon minerals that are sold on mineral auction sites range in price from $30-$500. Golf ball sized geodes, uncracked, are sold for about $2 at shows.”
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What rocks have geodes in them?

Geodes can form in any cavity, but the term is usually reserved for more or less rounded formations in igneous and sedimentary rocks. They can form in gas bubbles in igneous rocks, such as vesicles in basaltic lava; or, as in the American Midwest, in rounded cavities in sedimentary formations.
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What to look for when digging for crystals?

Areas on the planet's surface that show clear evidence of fault lines and uplifts offer an ideal location to hunt for crystals. Check the area for ribbons of white quartz, which can also be found near known granite and gold deposits.
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How do you identify Thundereggs?

Though thundereggs appear lke rocks, they can be easily identified by the abnormally round and bumpy brown-gray surface. Usually, thundereggs lie relatively close to the Earth's surface, embedded in the clay of the tuff, where they were formed.
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Is a geode rare?

Geodes are found throughout the world, but the most concentrated areas are located in the deserts. Volcanic ash beds, or regions containing limestone, are common geode locations. There are many easily accessible geode collecting sites in the western United States, including in California, Arizona, Utah and Nevada.
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How do you clean geode rocks?

EASY METHOD: Simply wash the geodes in plain water with a bit of laundry detergent (or dish soap), then let them soak in a tub of water with 1/4 cup of ordinary household bleach for two days. This cleans most of the heavy grit off the geodes.
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How long does it take for a geode to form?

How long does it take for a geode to form? Over thousands of years, these layers of minerals build crystals that eventually fill the cavity. How long this takes depends on the size of the geode. The largest crystals can take a million years to grow!
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What is the difference between a Druzy and a geode?

Other Names for Druzy

In some cases, some people may use the term geode to refer to the crystal formations. However, geode refers to the multi-part stone structure, while druzy is technically limited to the crystal formations on the stone base. There are also several spelling variations that you may encounter.
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What color are geodes naturally?

Most geodes are brown or white: geodes that are very brightly colored are likely artificially dyed.
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What crystal is in my geode?

The most common crystals found inside a geode are quartz and its purple variety amethyst. Less common are calcite, aragonite, celestine. Rare crystals of hematite, magnetite, pyrite, millerite, baryte, and rhodochrosite can be also found and are highly praised by professional mineral collectors.
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How do you tell if a rock has a fossil inside?

A fossil bone is heavier than a normal bone, noticeably so. So, if your object is heavy, it might be a fossil. usually not a fossil unless it has an obvious fossil imprint in it. Fossil shells in limestone are an example.
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