Answer:
I destroy your home from the inside out.
I am longer than a decade and shorter than a millennium
I am always around you but often forgotten. I am pure and clean most time but occasionally rotten.
A move made popular by the King of Pop.
I am as hard as metal, yet as flimsy as glass. I shine like a star, yet I am only a rock. What am I?
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.