What is the difference between 'organic' and 'inorganic' soil amendments?

What is the difference between 'organic' and 'inorganic' soil amendments?

Tracy DiSabato-Aust (Garden Designer and Author) gives expert video advice on: What are 'soil amendments'?; What is the difference between 'organic' and 'inorganic' soil amendments?; What is 'leaf humus'? and more...

Organic soil amendments are derived from living things. Examples would be composted leaf humus, composted bio solids, or sphagnum peat moss. Inorganic would be items like sand, pearlite, some people even use shredded tires.