This is a set of 5 models of rocks covered with crystals.
Blender file is source and have full scene. You can use it for rendering or whatever.Scene also contains low-poly species with baked color and normal textures.Other model formats contains full scene and single low-poly models.
If you want to use these models for gamedev, or if you will load not .blend file, you may need to set transparent settings manually. Blender scene uses blender transmission value for transparency.