Phra Khunpen charm amulet in alchemical glass.
Amulet of charm Phra Khunpen in alchemical glass.
"Alchemical glass" is obtained by heating a rare mineral
that is found in the Uttharadit region, which makes it vitrify.
To obtain alchemical glass translucent,
and then to cast it as an amulet
is an art that few Ajarn masters.