Debora Rios, et al of Rio de Janero University, has published this 9 question flowchart [0] of determining the authenticity of a meteorite vs slag. Basically, l

Debora Rios, et al of Rio de Janero University, has published this 9 question flowchart [0] of determining the authenticity of a meteorite vs slag. Basically, look for a crust, smooth dimpling (but not voids), and magnetism. [0] https://sites.wustl.edu/meteoritesite/items/self-test-check-list/ https://sites.wustl.edu/meteoritesite/items/self-test-check-... linked because the washington site includes a gallery and more links