stone crack big bundle alpha kit include 230 2k high quality grayscale alpha heightmaps and wide variety of crack types and each type include up to 30 alpha variations

include 230 high quality height maps

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

file include:

alphas folder
previews folder

notes

all the alphas should be used by negative brush value ( zSUB in zbrush)
numbers 161 to 190 can be used by positive value too
numbers 191 to 230 are tilable

you can make a pbr realistic stone and rock material for the stone you have made only by one click by using: Stone and Rock smart material bundle (SPSM)