This texture was generated in Filter Forge, a Photoshop plugin that allows you to create your own filters.
Use this filter to create random "Rock Collections".
When creating collections from scratch start by using the Variation slider to pick rock color and basic shape. Then fine tune the shape with the Rock Shape slider. Moving the Rock Shape slider left makes the rocks irregular, moving it to the far right makes the rocks the same like semi-precious stones. Then use the other settings as you see fit.
Includes 20 presets.
Have fun collecting!
Rock, Rocks, Polished, Stones, Gems, Gemstones, Precious, Pebbles, Semi-precious