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Dwarves' Earth Treasures Museum:
Union Road Agates
Union Road, South of St. Louis, Missouri
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    The Union Road Agates are in form of concretion nodules, and they were collected by Bill T. just south of St. Louis, Missouri, along the Union Road near I-55 highway before the site was overlaid with shopping districts. Really fascinating agates they are.
    It seems that very small percentage(5-10%) of any Union Road nodules contain agates, and quality agates are even rarer. The most common colors are white, black, tan, brown and ivory, and other rarer colors are red, orange, and pink. Bill T. has found only ONE purple Union Agate so far. The color of many Union Road Agates had been bleached or redistributed by the water from nearby Mississippi River so it is rare to find the agates in their origjnal colors that had not beem "messed up".  Some agate fragments remind me of fairburn agates because of their bold colors. The fractures are somewhat common along the Union Road nodules due to being weathered out of their limestone host. Some Union Road geodes contain interesting minerals like geothite needles and sometimes millerite.
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Typical Union Road Nodule

Close up of
chromatography
Check its interesting chromatography out.

Have more on next page!

For more info on Union Road Nodules, visit:
Bill's Rock Hill Homepage
(Bill's collection of Union Road Agates)