It includes a Crystal Shader Blendfile (Blender 2.82), rendered images, and images from the nodesetup. The whole shader is procedural includes displacement. Nothing is modelled.
Originally the Blendfile includes a CC-0 HDRI map from HDRI-Haven (was not possible to upload cause of the filesize limit, but you can get it here:
https://hdrihaven.com/hdri/?c=outdoor&h=blaubeuren_outskirts
CC-0 License, you can use it however you would like to.