These four are all Blinn at various settings. The Blinn node can accurately portray a very wide range of micro-bumpiness, from nearly smooth to craggy. (Microscopically craggy, of course. You could not see the little mountains with the naked eye.)

---

Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)