However , later analyses using multiple measures for the star 's chemical composition indicated that the star has 25 percent more oxygen than carbon .
The researchers who discovered it in 2012 concluded that it was carbon - rich , making an abundance of diamond likely .
Later analyses using multiple measures for the star 's chemical composition indicated that the star has 25 percent more oxygen than carbon .
The researchers who discovered it in 2012 concluded that it was carbon - rich , making an abundance of diamond likely .