Cerium GAGG (Glow In The Dark)

      Ce:GAGG: Cerium doped GAGG (Gadolinium Aluminum Gallium Garnet) is a hyperfluorescent garnet with a color between green LuAG and yellow Cerium YAG. Some special varieties of GAGG (High Glow GAGG) have a special manufacturing defect, they will photoluminesce for extended periods of time (GLOW IN THE DARK) after being exposed to radiation from the sun or blacklight. GAGG will fluoresce a bright yellow color under black light. It has a mohs hardness of 8.