Properties of Batubara lan Phyllite
ukuran gandum
medium kanggo nggoleki coarse grained
medium kanggo nggoleki coarse grained
rengat
conchoidal
conchoidal
porosity
kurang keropos
Highly keropos
luster
kurang kanggo vitreous kanggo submetallic
phyllitic
cleavage
non-ana
crenulation lan mrembet
kateguhan
ora kasedhiya
1.2
tartamtu gravitasi
1.1-1.4
2.72-2.73
Kapadhetan
1100-1400 g / cm 3
2.18-3.3 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas
tahan panas, meksa tahan, banyu tahan