% latex -interaction nonstopmode Stone.tex

% latex -interaction nonstopmode Stone.tex
\documentclass[pstricks]{standalone}
\usepackage{pst-marble}
\begin{document}
\begin{pspicture}(-6,-6)(6,6)
\psMarble[
background={
[0.9 0.9 0.9]
},
colors={
[70 139 67]
[16 46 23]
[227 223 171]
[212 186 65]
},
viscosity=1000,
oversample=1,
actions={
0 0 800 800 0 [colors 0 get colors 1 get colors 3 get colors 0 get colors 1 get] 225 30 uniform-drops
0 0 800 800 0 colors 2 get 135 40 uniform-drops
},
spractions={
0 0 1000 1000 0 colors 3 get 1000 1.6 uniform-spray
}
](12,12)
\end{pspicture}
\end{document}