The midpoint for all the zodiac signs falls at 0 Libra. The midpoint for Spiculum (1 Capricorn: Eye trouble, blindness, depression, morbid religious outlook, no concern for human life) and 0 Libra falls over Zuben Elgenubi (The South Scale): It causes malevolence, obstruction, an unforgiving character, violence, disease, lying, crime, disgrace, and danger of poison. [Robson*, p.205.]
It frequently shows up ill-aspected in many unfortunate situations, from domestic strife and miscarriages of justice to psychopathic killings that started out in the guise of love.