When the boy was playing by the river, he accidentally picked up a strange stone, and he was curious and picked it up, which was suddenly surprising, this is really a strange stone, he has never seen such a stone.

This strange stone, hardness is large, from the surface to see is a pattern of different sizes, the pattern is very exquisite.
I don't know much about the stone, so I had to send it to the Internet to inquire, and everyone was amazed by this stone, some people thought that this may be a wood fossil, and then went to find an expert to identify.
Sure enough, this is a "hui wood fossil", it is reported that hui wood more than 200 million years ago a fern plant, these strips are arranged in a row is the hui wood stem.