Blitz Gem & Jewelry Cleaner Liquid Concentrate for Gold, Silver, & Platinum Jewelry Cleans Non-Porous, Precious & Semi-Precious Stones. Non-Toxic, Non-Abrasive, & Planet Friendly Made in USA 8oz. SUSTAINABLE, CONCENTRATED FORMULA | This Concentrated Form of Our Standard Jewelry Cleaner Gets You 8x the Use Out of a Single Bottle | Just Like the Original Version, it Works Instantly to Remove Fingerprints, Buildup, and Dirt From Your Gold, Silver, and Platinum Jewelry | Also Works to Buff and Shine Diamond, Ruby, Sapphire, Topaz, and Other Gems.