Properties of Batubara lan Boninite
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
rengat
conchoidal
ora rata
porosity
kurang keropos
kurang keropos
luster
kurang kanggo vitreous kanggo submetallic
vitreous
cleavage
non-ana
ora kasedhiya
kateguhan
ora kasedhiya
1.1
tartamtu gravitasi
1.1-1.4
2.5-2.8
Kapadhetan
1100-1400 g / cm 3
ora Sumadhiya
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas
tahan panas, impact tahan, meksa tahan, nyandhang tahan