Physical Characteristics: Keokuk Quartz is a kind of quartz mixed with chalcedony and/or silica. Calcite and pyrite are also common. This quartz is found around the area of Keokuk, Iowa. This geode broke into 3 pieces.
Metaphysical Properties: Our reference books did not include this mineral, so this information was gleaned from the internet. Keokuk Quartz is a 'stone of power'. We assume it has all of the properties of Quartz, Chalcedony, Silica, Calcite and Pyrite as well.