I'm working on making dwarves as stoney as possible.
So far I got these mostly working:
Brew stone, grind stone into flour, turn stone into thread that can be made into cloth/clothing normally.
For the stone brew drink mats, I made a fanciful creature called Stone Brew God. I've only done short testing, but looking forward to seeing it pop up in engravings.
I'm thinking of removing things like farming and various animal handling skills so they must use stone as a regular food/drink/cloth source supplemented by hunting/plant gathering.
Otherwise, I don't know what I did but I was playing in Genesis Mod making my dwarfs insanely powerful. Somehow I made the Aspid Caste's venom explosive. I don't think I was modding my dwarfs to be on fire at the time, but when my Aspid bit something it tended to explode in a shower of blood. I wasn't modding the venom.
Making yer dwarfs out of Adamantine, then have their hands(entire hand, not just skin) made out of a slightly different molten Adamantine(still below the melting temp of regular Adamantine) spams you with I'm On Fire! messages. Even Burning To Death. Took no damage and I don't believe I even saw a Fire/Flame on me.
When I made a dwarf out of solid Adamantine that was just really really hot, I didn't get any burning messages even as my clothes were burning off.
I made a dwarf who's hair was made of fire with a headbutt attack.