I have etched many many iron meteorites over the last 8 years. It seems that very often I get emails regarding the subject. I am by no means saying my way is the best or only way to etch. This is not intended as a guide or "how to" instead I'm simply saying this is the way I do it. (Do not try this at home) Secrets to Cutting, Etching, and Preserving Iron meteorites Etching as it relates to iron meteorites is simply the process of revealing its hidden crystalline structure. This structure