Glittering Blue Jewels is the fifty-forth chapter of the Dr. Stone manga.
Kaseki wants to make a Vacuum Tube. page 7-8
It cracked from the base. Asagari Gen talks about the level of precision and Kaseki says "as usual, nothing ever goes right on the first try for us" so they make another one.
Chrome comes back with copper but they failed a lot because of the filament. page 12-14
Asagari Gen wants everyone for New Year. page 15-16
Suika finds Scheelite. page 16-17
Senku is depetrified for 6268 days page 16
- Vacuum Tube at high temperatures blasts electrons. The heart of the cellphone. page 8
- Scheelite shines blue under a blacklight (uv light) page 16
- Atomic number 74 Tungsten page20-22