Geodes have an outer shell of chalcedony, a variety of crytocrystalline quartz, composed of silicon dioxide.
Geodes found in Illinois range from less than 1 inch to 2 feet in diameter. They generally occur in limestone. One of the most famous areas in the country is in western Illinois. It's amazing, that people come from all over the country to the Nauvoo, Hamilton, Quincy areas, in search of a special prize within...Geodes are a lot like people...if you take the time to look closely inside, they are each special in their own way. The temple, limestone quarries close to here and are a likely place to find a special treasure...yet, the most priceless treasure is found within the limestone walls of the temple itself!
Geodes found in Illinois range from less than 1 inch to 2 feet in diameter. They generally occur in limestone. One of the most famous areas in the country is in western Illinois. It's amazing, that people come from all over the country to the Nauvoo, Hamilton, Quincy areas, in search of a special prize within...Geodes are a lot like people...if you take the time to look closely inside, they are each special in their own way. The temple, limestone quarries close to here and are a likely place to find a special treasure...yet, the most priceless treasure is found within the limestone walls of the temple itself!
