Inconjunct, quincunx, 150 degree angle....signs which "do not behold each other." "Inconjunct" is also used to refer to the semi-sextile (30 degree) angle. Two planets are so close "they cannot see each other" The semi-sextile is a weak aspect and can generally be ignored in most charts. The quincunx, however, can be an infuuential aspect in a chart, especially in cases like this one where the Moon is quincunx the lord of the horoscope.
The idea of the quincunx is that the two energies involved are out of balance, disharmonious, out of touch with each other. I have Moon, ruler of the cancer ascendant in libra in the 4th house quincunx Uranus, very tight orb. My lifelong problem was "instabiity in home and family". There was a basic conflict between my desire for the security of a family and my uncompromising demand for personal liberty. So I would turn first one way, then the other. So the quincunx can indicate "incompletion". It can show a lack of continuity, a nagging sense of unease, feelings of annoyance or anxiety constantly in the background of consciousness.
I have a chart in my files in which Moon is in Aries 12th, partile quincunx Venus right on the Descendant in Scorpio. So she is the chart ruler -- Taurus Rising. Her mother stood by as if she was blind while the girl's father abused her continually over the years. Here Mother (Moon) "does not behold - is blind to...) the abuse of the native (Venus, ruler of the Ascendant) by her father.
The case in point, Moon quincunx Mars, and Mars is Lord of the Horoscope...anything that happens to Mars shows up at the Ascendant, which he rules. Mars, as Lord of the Horoscope, plays a very important role in the chart. Moon/Mars contacts in general indicate a very touchy, highly sensitive streak. There is often a tendency to imagine slights and offenses that were never intended; the imagination works overtime. As a defense against these offenses, the native himself can become very abusive verbally, and seeks to wound the "guilty party" emotionally, saying things that are deeply cutting and abusive. With Mars in the Third (I assume....Gemini with Aries rising) I would suspect a personality that has problems with vicious rumors. This aspect also shows an intransigent attitude that is unlikely to seek grounds for compromise. The mind and feelings are so busy thinking about the egregious insult, or demands on your own time and effort, that there is no room for compromise. Mars/Moon can be very unsympathetic. Maternal nurture, the feeling of being cared for and protected, was not forthcoming. It's quite possible that even as a child you felt unjustly accused of wrong-doing, or of inadequate performance. So today, you cannot abide criticism and are very sensitive to anything that might even imply criticism. Here is the aspect of the sore loser. This aspect also brings jealousy; you may think or accuse others of abandoning you (or of having any sort of relationship with your own enemies.) This person feels like others are out to get him. There's a lot more to Moon quincunx Mars. There is an implied immaturity. All aspects should be read in the context of the whole chart.
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