Detailed quartz model on a surface. It has the true IOR value (1.544) on its material. Feel free to change it but to keep the effect on the preview images don't forget to set the IOR to 1.544.
Material is a standart glass material done in Cycles Render. HDRI(which I actually can't provide) helped with the reflections.
File formats: 3ds, blend, obj, fbx, dae,