A self-described lifelong rock-hound, Si was a gem, mineral, and book collector, dealer, author, and teacher. Si pored through the gem and mineral literature from the latest issue of a newsletter to the works of the figure who must surely have been his role model, Pliny the Elder. PHOTO (COLOR): Si and Ann Squared: Si and Ann Frazier, Lapidary Journal Foreign Correspondents, visiting Merle and John White, in 1996. [Extracted from the article]