Properties of Scoria lan Marl
ukuran gandum
grained nggoleki
banget nggoleki-grained
rengat
conchoidal
conchoidal
porosity
Highly keropos
Highly keropos
luster
subvitreous kanggo kurang
kurang
cleavage
sampurna
ora kasedhiya
tartamtu gravitasi
ora Sumadhiya
2.2-2.8
Kapadhetan
ora Sumadhiya
2.4-2.8 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan