here is an example.
this is what james says about gemini rising, my rising sign, and what tradition says, though i can see he adds his experience as i had similar experiences.
This is not as vague as « you are normally social, confident, but inside more insecure and sometimes need to be alone».
Your personality suggests someone who tends to live on nervous energy and who is always on the move. You like to think, speak, write, travel and generally be on the move, changing from one subject or location to the next with consummate ease. You can be very lively. Never a dull moment - unless you get bored, that is. Boredom is the worst thing that can happen to you. Your body language compliments what you are saying, using gestures to emphasise a word or phrase.
The one thing you are is adaptable. You just love change and ever-changing situations. 'Variety is the spice of life' someone once wrote. No, for you variety is an absolute MUST, without it life would be so dull. You do need lots of stimulus and constant interests. Resting, or even staying still , is not easy - there's too much to do! Your versatility is almost legendary. I think it's a safe bet that you can do two things at the same time - or more. Watching the TV while having a telephone conversation is just one example. You can turn your hand to anything and you learn so quickly.
Being an intelligent soul you are noted for being clever and informed. Learning, in fact any kind of education, really appeals. All that knowledge - you simply have to know. You absorb information like a sponge and once your enthusiasm is fired up you learn so quickly. Some folk may accuse you of being a, 'a mine of useless information'. But, what would they know - it's all useful information, and to you it is food for the mind. You like to communicate through speaking, writing, and telephone calls. Getting about and traveling also appeals, you just like the thrill of movement and ever-changing scenarios.
You have the gift of humour. Laughter comes naturally and you can see the funny side of any situation, especially if it involves someone else getting into trouble. Never stuck for a witty comment, you can liven up the most austere situation with some clever quip. It isn't that you have to think about these things, they just come naturally, off the top of your head, so to speak. Sometimes you surprise even yourself by what comes out of your mouth so spontaneously. You are good fun to be around.
Your ruling planet has only difficult aspects.
Your ruling planet - Mercury - has difficult aspects which modify the way in which you express yourself. Your nervousness gets in the way of easy self expression and you lack confidence which, in turn, affects your communication skills. Sometimes you will find that it isn't easy to make yourself understood or to express your opinions adequately. You just 'lock up' and feel inhibited. At other times you will chatter endlessly, repeating the same point in many different ways as if afraid people will not understand you. More likely, you are afraid of silence, it feels uncomfortable. Misunderstandings are so easy. You mean to say one thing but somehow it comes out all wrong. Your opinions change rapidly, especially to win an argument.
Learning is not easy. There may have been problems in your early education which was affected or even halted in some way by events beyond your control. The problem now is that you try to take on board too many ideas, as if you are afraid you might miss something. You may start to read a book and never finish it, learn a new skill yet never complete the course. Your restless, nervous nature seems to want to move on to other things. Rather than learn and be original you are inclined to imitate or borrow from others.
You tend to be diffuse with too many things on the go at the same time, so continuity becomes a problem as indeed does completing tasks. Your nature is to be nervous, excitable and restless. You have difficulty in staying still or resting and you are prone to nervous exhaustion as a result. It is important to realise that all the talents and abilities previously mentioned are yours for the asking. Once you learn to slow down, taking one thing at a time and also learning the art of relaxation, you will find a new lease of life. Remember, the mind a great servant but a bad master. The mind is something you are well equipped to deal with.
Your ruling planet has Mixed aspects.
Both interpretations are possible - not at the same time, they will tend to alternate.
--- and here is my Sun position. As you can see they are very different signs
The result of this combination in my opinion is that because of gemini i find it difficult to focus in one sign, unlike typical capricorn and do not always follow my principles and values of honesty and high principles. The sun is what we want to be and how we want to shine. the rising sign is the more dynamic part of personality, the biological personality,spontaneous, of which we often are not aware until someone points it out to us. We tend to think we are our sun sign, but often people see another side of us.
Sun in Capricorn
Cautious and deliberate. Highly principled and trustworthy. Reliable and dependable. Values honesty and straight dealing.
Aspires to be a success in life and to have a position of responsibility. Enterprising and keen to get on. Can see the greater picture and plan a way to succeed. Endless patience and determination. Businesslike, professional, highly efficient. Takes work and responsibilities seriously. Works tirelessly, very conscientious.
Rigid outlook. Far to conventional. May have to live within strictures dictated by others, afraid to break free. Insecure. Rules and regulations dominate life. Expects much but gives little.
May tend to hoard, afraid to spend though a sense of insecurity. Never seems to be enough.
Gloomy and pessimistic. Sees obstacles rather than challenges. Narrow view of life