Answer:
I don’t forget!
I am taken from a mine and shut in a wooden case from which I am never released. Yet I am used by almost everybody. What am I?
I run cold and hot, I look blue but am red. What am I?
I'm an old relative who's hand's can't hold anything and eyes can’t see anything
I am a rock group with four members all of whom died in plane crashes. Who am I?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.