.  Dwarves' Earth Treasures Museum: How to ID Agate Roughs Condor Agates

-Typical colors: Dark colors (brown, gray, orange, yellow, black, red), brighter colors uncommon.
-Typical sizes: 3 to 12 centimeters, rarely larger.
-Typical shapes: Two types of nodules: Irregular but rounded/oval nodules and vein-like (geometric shaped).
-Most distinguishing characteristic: Dark colored agates and chromatography is somewhat common with heavily pitted rough surface (except vein-like ones).
-Special Notes: Iris Agate can be cut out of some colorless condor agates.