Rock nems for sale or trade??

[Grams742000]

I am not exactly sure what the real name is but I am trying to make room in my frag tank.....I have a few small rocks that have 3 or 4 on each piece. .....I have a few singles as well....all decent size about 2-3 inches......would rather trade...let me know what you have....text for pics...
216-832-0435