this is second version of my stone alpha brushes. the first version has general view and tilable but this one focused on details and give more customization to user. you can get first version here: http://cbr.sh/86uuo7 include 45 high quality easy sculpting stone and rock height maps

2048*2048 
tiff 16 bit format
able to use in zbrush, mudbox, 3dcoat, blender etc

file include:

alphas folder
previews folder

this pack include free how to use video tutorial linked from youtube (not included in the archive): https://youtu.be/7cbAB1Xuc6k