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