I found this stone on the beach and decided to cut it in two because it evokes, in me, a feeling of looking at distant mountain peaks. I'm not sure but it appears to be a siltstone. It is softish but what it lacks in hardness it more than makes up in an attractive mountain on waters edge weathered appearance. I will add and arrange this with other simliar stones from same area for a mountain scene penjiin. Yes I soaked the stones in fresh water for a while to rinse salt away!
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