The user recently purchased a pizza stone and, against their prior experience, followed a new instruction to avoid oiling it. This resulted in their first pizza sticking severely to the unoiled stone. The pizza was ruined as the crust tore apart during removal. To their dismay, cleaning off the stuck dough with hot water and a scraper caused pieces of the stone's surface to chip off. The user is now concerned about the stone's integrity and the potential for it to fracture or explode due to these chips. They worry that further pieces might detach, potentially unnoticed, during future use. The user is seeking advice on whether to continue using the stone and what the risks are of ingesting small amounts of cordierite if chips occur unnoticed. They are asking for others' experiences with similar issues and their opinions on the safety of using the damaged stone.