Peter is the proprietor of the authoritative opalmine.com and author of The Ordinary Bloke's Guide to Opal. Peter's specialties include: Australian opal from all fields including crystal from Coober Pedy-South Australia, black opal from Lightning Ridge-NSW, black boulder opal from Queensland, and rough opal for lapidarists/stone cutters/rock hounds. Peter also markets books on opal discovery and has videos available on YouTube.

Articles by Peter Brusaschi: