This is a large Canyon Rim thunder egg I dug at the Polka Dot mine in Central Oregon. It had a flat bottom where it was against another egg so I cut it as a standup with a slight angle to present the 4 point star of agate in the core of the face for the best view possible. It has large mammillary formations inside making it a unique piece. It is fully polished and is large enough to make a statement wherever its on display. It is 15.14 lbs and measures approximately 10” x 7” and is over 4” deep.
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