They do not form in very cold regions like antartica, but they do form mostly in temprate or chilly regions.Another question that may give you more information on geodes would be ''How does a geode form''.
erosion
Geodes and caves are both hollow objects made of stone.
Crystal geodes can be purchased in brick-and-mortar stores, though they are increasingly available online. Online stores carrying geodes include "The Crystal Geode", "Bestcrystals" and "Gem Rock Auctions".
They look like rock on the outside but a gift on the inside
If you are looking to purchase a break your own geodes kit, a great website to look at is Amazon. Amazon offer a wide variety of these products at low price and great quality.
Yeah calcite is in geodes. you can find some in stores or you can go on the internet and there is proof that there is calcite in geodes if you go to google.com and go to images and type in calcite in geodes ask wiki answers for more info :)!!!!
Yes, geodes form in sedimentary rock. They also sometimes form in igneous rock. Use the link below to learn more.
how big can geodes be
Geodes are often lined with quartz.
i lived in Portsmouth (southern) Ohio and there were geodes everywhere. . .we found them in creek beds and hillside cuts. . .they aren't the really flashy colorful type, but there are a lot of them
The igneous geodes are classified as intrusive and the sedimentary geodes are classified as chemical based on properties.
erosion
Yes. A tornado is a type of violent weather event.
Yes, geodes can be found in any state.
cumulonimbus clouds.
Geodes are usally found in dry areas such as deserts.
Geodes are rock cavities with internal crystal formations, usually made of quartz crystals. Some geodes are completely solid because they are filled with crystals. These are called "nodules". Geodes can form in gas bubbles in igneous rock, or in rounded cavities in sedimentary rock. Most geodes contain clear or white quartz crystals, but purple amethyst crystals are also common.