Properties of Scoria lan Gossan
ukuran gandum
grained nggoleki
nggoleki grained medium
rengat
conchoidal
conchoidal
tilas
putih
putih kanggo werna abu-abu
porosity
Highly keropos
Highly keropos
luster
subvitreous kanggo kurang
metallic
cleavage
sampurna
ora kasedhiya
kateguhan
2.1
ora kasedhiya
tartamtu gravitasi
ora Sumadhiya
2.0
Kapadhetan
ora Sumadhiya
ora Sumadhiya
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan