Uncover how jewelers get rings so clean! Learn the secrets of ultrasonic and steam cleaning, plus safe at-home methods. Get a professional shine at home.
Master safe high-heat torch use for jewelry making. This essential guide covers torch types, fuel selection, and vital safety protocols for soldering and metalwork.
Pro jewelers ID gems using refractometer, microscope, dichroscope & spectroscope. Combined non-destructive tests verify authenticity, type, and treatments.