Properties of Comendite lan Scoria
ukuran gandum
grained medium
grained nggoleki
rengat
mrembet
conchoidal
porosity
Highly keropos
Highly keropos
luster
kurang
subvitreous kanggo kurang
kekuatan compressive
ora Sumadhiya
cleavage
ora kasedhiya
sampurna
tartamtu gravitasi
2.38
ora Sumadhiya
Kapadhetan
ora Sumadhiya
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan