Show gem weighs pounds marquette mich an amethyst which it Is believed is the largest in the united states has been sold by alexander meads a pioneer prospector of this city to F R vigeant of sault ste marle it weighs pounds the stone was found in a cave on the north shore of lake superior 45 years ago and it had been in mr meads possession ever since the numerous conical projections are exceptionally well formed and are coated with an eighth of an inch of iron ore the next largest amethyst of which there is record is one in the central park museum in new york city weighs pounds |