Can geodes be found anywhere in the world?

Still others can have agate, chalcedony, or jasper banding or crystals such as calcite, dolomite, celestite, etc. The above date collected from Wikipedia. As regards your question Geodes are found in sedimentary rocks and under special conditions in volcanic rocks all over the world. read more

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. read more

Geodes located there are anywhere from two inches to five inches across. These geodes have formed from volcanic ash beds. Many of the geodes found at the Hauser Geode Beds are lined with black calcite and amethyst. Cinnamon Beds. The Cinnamon Geode Beds are about 16 miles west of Blythe, California. The geodes are larger than what can be found in the Hauser Geode Beds, ranging from two to 10 inches across. read more