HSK10+
fán
alum
Phonosemantic compound. 石 represents the meaning and 樊 represents the sound.
樊 Sound component
a railing
石 Meaning component
shí, dàn
stone
矾 (礬)
明矾
矾
白矾
绿矾
green vitriol (ferrous sulfate FeSO4:7H2O)
Make Me a Hanzi
Unicode
CC-CEDICT
SUBTLEX-CH
MTSU Chinese text computing