Gemstones uber shader to quickly create various types of minerals in Blender. Available here:

Website: https://andreacantelli.art/store/MG6kP/pbr-gemstones-uber-shader-for-blender-3-x
ArtStation: https://www.artstation.com/a/15158493
Gumroad: https://andreacantelli.gumroad.com/l/ftczi