Here’s some interesting specific lapidary focused links.
Let us know if you have any more super useful links, who doesn’t want to learn as much as possible about our beloved hobby!
https://nuggetshooter.ipbhost.com/topic/7933-secrets-to-cutting-etching-and-preserving-iron-meteorites/
Secrets to Cutting, Etching, and Preserving Iron Meteorites
http://www.tomaszewski.net/Kreigh/Minerals/Homemade.shtml –
Kreigh’s Homemade Lapidary Equipment