ChamberMaster Template Jon Thomas Fine Jewelry Share: JewelersShopping and Gifts Jon Thomas Fine Jewelry Visit Website Request Info 322 N. Mt. Shasta Blvd. Mt. Shasta, CA 96067-2230 (530) 926-6800 About About Come and see Jon Thomas' masterful gold-work, beautiful designs, gorgeous and rare stones and the original Mt. Shasta pendants, rings, etc. Open Tuesday-Saturday 10 am to 5 pm.