I’m not trying to imply anything naughty here, but Hermione is somewhat softer than that rock. (Until you see her angry.)
Not to mention he doesn’t have any obvious need to keep Hermione on his finger all the time, unlike the rock. Just long enough to find some safe spot to hide her. (Unless he plans to revive her within the next couple of days.)
I’m not trying to imply anything naughty here, but Hermione is somewhat softer than that rock. (Until you see her angry.)
Not to mention he doesn’t have any obvious need to keep Hermione on his finger all the time, unlike the rock. Just long enough to find some safe spot to hide her. (Unless he plans to revive her within the next couple of days.)