Properties of Adakite lan Pantellerite
ukuran gandum
nggoleki grained medium
grained nggoleki
rengat
conchoidal
sub-conchoidal
tilas
bluish ireng
dingerteni
porosity
kurang keropos
kurang keropos
luster
grainy, mutiyara lan vitreous
earthy
cleavage
ora kasedhiya
conchoidal
kateguhan
ora kasedhiya
2
tartamtu gravitasi
ora Sumadhiya
ora Sumadhiya
transparan
opaque
tembus kanggo opaque
Kapadhetan
ora Sumadhiya
ora Sumadhiya
resistance
tahan panas, meksa tahan, nyandhang tahan
tahan panas