Primordial Wood Would Make Neat Pens

[magpens]

Take a look at the trunk cross-section of trees that grew 350 million years ago.

.... would make very interesting pens if you could ever get any !!

https://www.livescience.com/60746-e...ter&utm_medium=email&utm_campaign=20171024-ls

 

[randyrls]

Interesting; Trees have evolved from that. I suspect it is mostly stone now.