Properties of Gossan lan Batubara
ukuran gandum
nggoleki grained medium
medium kanggo nggoleki coarse grained
rengat
conchoidal
conchoidal
tilas
putih kanggo werna abu-abu
ireng
porosity
Highly keropos
kurang keropos
luster
metallic
kurang kanggo vitreous kanggo submetallic
cleavage
ora kasedhiya
non-ana
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
2.0
1.1-1.4
Kapadhetan
ora Sumadhiya
1100-1400 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
tahan panas