Answer:
One am I, among six others: Largest, smallest, cold, dark and two brothers
What has a ring but no fingers?
A sphere has three, a circle has two, and a point has zero. What is it?
I reach for the sky, but clutch to the ground. Sometimes I leave, but I am always around
With sharp edged wit and pointed poise. It can settle disputes without making a noise.
My days are numbered. What am I?