Micro #10

Sodium thiosulphate, rapid recrystallization, 10x magnification.
Sodium thiosulphate, rapid recrystallization, 10x magnification.
Sodium thiosulphate, rapid recrystallization, 10x magnification.
Sodium thiosulphate, rapid recrystallization, 25x magnification.
Tea, 100x magnification.