I\'ve made myself a bookmarklet, and it functions just fine, but when added to a toolbar in Opera or Firefox, it just takes on the default bookmark icon for the browser (a g
I think that a possible way is using unicode char in bookmarklet anchor like your icon:
http://unicode-table.com/en/#cyrillic
sifting through all the possible symbols you might find the character that resembles more to the icon you want to