The stone is not perfectly round as it has had two sides chipped off - but these sides are also very smooth. It measures about 4 1/2 inches across and is 2 inches thick. On one side is a depression about 2 1/2 inches wide and 1/4 inch deep and on the other side a depression 2 inches wide and about 3/4 inches deep. The stone weighs 3 pounds.
If it is of any interest I will send it down.
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