After Nadia's rather failed attempt with the gecko - she had put it back to nomal back in its cage without getting a full transformation -, Nadia took her wand again and practiced with the wand movement before actually attempting. With a low voice she kept repeating the incantation acentuation and with yet another wand-movement she watched the stone being hit by the purple light and change slightly. The outsider shape was pretty correct but it had no center. Rather, it had to lack of center. Seemly she had been concentration on the exterior form alone.

Nadia stared at passively, then waved her wand again, this time with less accurate movement and whispered incantation, but her mind much concentrated in shape. That made it improve; this time a hole appeared at the center. Sure, the walls were not thin but that was pretty much the assigment and she did think she got a pretty good result. With the gecko attempt, she razoned, she probably wasn't even trying.

Doing it over and over again, to make practice, Nadia continued to try changing it fully and keep like that, but still with concentration problems.

"Could it be, professor," Nadia said raising her hand, "that Variegatus is for tranfiguration of an object without changing the prima matter? In this case, stone?"