Fan art of some black stone. But this is for Blender.
A revisit to a tutorial I've created a couple years ago, by using Blender 2.80 to create these stones.
Modeling and rendering(Cycles) using Blender 2.80 and some color adjustment done in Photoshop.
- Gemstones (Tutorial) -
https://www.artstation.com/artwork/rXXXa
- Some old gemstones -
https://www.artstation.com/artwork/ePJPD