What is the difference in volcanic ash and barbecue ash?

Volcanic ash is composed of tiny fragments of rock, mineral, and volcanic glass ejected during an explosive volcanic eruption, and it can have various chemical compositions depending on the volcano. In contrast, barbecue ash is the residue left after burning charcoal or wood, primarily consisting of carbon, minerals, and other organic materials. Volcanic ash can be harmful to health and the environment, while barbecue ash is typically less hazardous but can still affect soil quality if not disposed of properly.