Properties of Scoria lan Metapelite
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
conchoidal
fibrous
porosity
Highly keropos
Highly keropos
luster
subvitreous kanggo kurang
earthy
cleavage
sampurna
ora kasedhiya
kateguhan
2.1
ora kasedhiya
tartamtu gravitasi
ora Sumadhiya
3.4-3.7
Kapadhetan
ora Sumadhiya
0-300 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan