"When there is no mind, the "I" is not there but the other gunas might be there in satvik form. " yes very true..the gunas themselves will have that "I" in them...

"Now the formation of mind - is it a combination of the gunas and ... ? "..yes like the RGB example, hear lets for the sake of understanding say that 0% indicates lack of a particular guna and 100% indicates fullness of a particular guna...hence at the begining when mind is created from Saatvika guba, it will ha
Saatvika Raajasika Taamasika
100 0 0

but as the mind gets trapped with the indriyas and other stuff around, the gunas start to condition the Mind accordingly...the value of the gunas keep on changing and as Sri Vaasudeva says in Bhagavad Gita, the influence of gunas keep changing...conditioning of the mind indicates the gunas which will be impacting it more ...

mind or manah..is such an important thing, it will the greatest friend if tamed, else will be the greatest enemy..it becomes very important to dedicate a lot of discussions on this mind as its one of the Prime entity which is performing a lot of actions...

now what will be very interesting is that Sri Krishna in Bhagavad Gita, gives mind, a dual identity...He refers to mind also as an "indriya"..the 11th one....this can be so beautifully understood..lets dig in deep in the next post...