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30mm x 25mm

 This is yet another denizen of the shinglebanks north of Elephant Rock, and another stone whose exact history eludes me. It may have been discovered lower on the shore and the dark areas in the fortification banding support this theory. The strange"seedling" -like black inclusion at the left of the base is the result of chromatography via a corresponding fracture in the outer layers. Unusually there is also a white "eye" at the stone's base which is probably the result of weathering, again also indicating the three-dimensional nature of the agate's fortifications. In addition to these areas of interest, the innermost fortification layer in the outer banding is filigree, red and exhibits a pattern not usually encountered in Usan agates.

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