The 1909 Gem Trivia Quiz

Ten questions, every answer taken from the pages of this 1909 book — famous diamonds, fraudulent doublets, the old birthstones, and the gem that outranked the diamond itself. Each answer links to the chapter that proves it. Score well and challenge a friend.

Rights & ReuseThe complete text of A Book of Precious Stones (1909) is in the public domain in the United States — like all works published before 1928 — and is free to read, download, quote, teach from, and reuse. This digital edition (its transcription, restored plates, and site design) is © 2026 PhotoOpAI, and any editorial commentary we add is clearly marked as ours; the underlying public-domain text carries no such restriction.