This is due to vertex precision loss, and may not be fixable without removing the recoloring on the rock parts. Update Ap(v2.1): Fixed missing vertices and scaling issues, added previously missing parts, marked pure-black parts with red icons until a solution is found. Update Ap(v2.0): Added Rocks to the Creature Creator! A mod which makes several tweaks to the Space Stage, and shrinks the impossibly large Grox. Rocks in the Building Editor recolor ingame in the same way that rocks normally would in the adventure editor, with the cliff and terrain color determining the coloration of the rock surface. Overhauls some aspects of Spore, including part abilities.
Rocks in the Creature Editor recolor with the skin (Base color) and the Coat. Spore Mods & Downloads Dark Injection Dark Injection 9.r Public Beta DI 9.
Adds Rock props from Spore into the Building and Creature creators. 5x more creatures mod in Creature Stage by Phantom.