None of the pieces were 6 inches. It was just a pile of rocks thrown into a box with no protection. When he came to my house I had two dozen palm-sized rocks. I poured out the rest and drank two cups of silica powder. I know it's just rocks, but it's my rocks. I paid her. It would be nice if they would at least try to box them or respond to my request for a replacement. Unless you have a 5 gallon aquarium, they are useless (not even worth gluing).
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