What is the color of a geode?

Chalcedony layers can cover the interior walls of geodes with a variety of colors, including white, gray, blue, yellow or orange. The color of chalcedony that is deposited on the inside of the geode depends on the location. read more

The geode at the left and the one at the top of the page are both dugways from Utah. The colors come from the different minerals that flowed through the bubble so many millions of years ago. Another specimen is nearly solid all the way through. read more

Most geodes contain clear quartz crystals, while others have purple amethyst crystals. Still others can have agate, chalcedony, or jasper banding or crystals such as calcite, dolomite, celestite, etc. There is no easy way of telling what the inside of a geode holds until it is cut open or broken apart. read more