EEVEE Zinc metal pattern

[joseph (J)]

This guy?

Maybe use a rougher obsidian shader with lighter base colors There’s a billion obsidian shaders out there for Blender:

Possible to make a sharp rock like thisin geometry nodes?

[Obsidian procedural material - blender 2.93 tutorial] https://www.reddit.com/r/blender/comments/g896rs/i_made_a_procedural_obsidian_material/