Properties of Comendite lan Adakite
ukuran gandum
grained medium
nggoleki grained medium
rengat
mrembet
conchoidal
tilas
bluish ireng
bluish ireng
porosity
Highly keropos
kurang keropos
luster
kurang
grainy, mutiyara lan vitreous
kekuatan compressive
ora Sumadhiya
cleavage
ora kasedhiya
ora kasedhiya
kateguhan
2
ora kasedhiya
tartamtu gravitasi
2.38
ora Sumadhiya
Kapadhetan
ora Sumadhiya
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, meksa tahan, nyandhang tahan