In business since the 1960's. We sell lapidary equipment, supplies, gems and minerals. Grit for your tumbler, Petoskey stones, findings. We sell collectibles - vintage postcards, Michigan postcards, grit, polish, prepolish, walnut shell, Super 10X, Aceos, watercolor, coarse, medium, fine grit, 80, 220, 400, 600 grit. Real photo, early postcard.