A 19-year-old woman stabbed her 17-year-old friend in the heart with a steak knife in a Queens apartment building yesterday. Mary Herron is suspected of killing Starsheema Lynn after an argument over "some type of property," police sources told the Times. Cops arrived at Herron's building near the corner of 135th Street and 82nd Avenue at around 12:40 pm and found the victim in a fourth floor hallway with a single wound to her chest. Lynn was rushed to Queens General Hospital, where she died. According to the Post, Herron has been charged with manslaughter and criminal possession of a weapon. This fatal stabbing comes just over a week after another Queens teenager fatally stabbed a man she claimed had forced himself upon her, though sources say the 16-year-old was the aggressor.