well, in X Men 97 she could use TP somehow while in diamond form... Jean felt her and she said "a telepath" and Emma was under the rubble in diamond...
Astonishing X-Men she's communicated in it. There's a few times but it might have been artistic error. She's meant to be immune to it and thus cannot...
Funny enough, this is where Gambit's base skills as a thief have greater application against Wanda than his New Sun powers. The Scarlet Witch's most...