This texture was generated in Filter Forge, a Photoshop plugin that allows you to create your own filters.
Although it was thought for lucid stones, it works fine also on rough ones, just increase "roughness" from settings; see last 2 presets for a nice example of rough stones.
Additionally you can use a simple color noise to add a color point based disturb to the stone. This function maybe will be improved with an update.
Stone, Rock, lucid, rough, shiny, color noise.