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
-
crenulation lan mrembet
tartamtu gravitasi
1.1-1.4
2.72-2.73
Kapadhetan
1100-1400 g / cm 3
2.18-3.3 g / cm 3
resistance
tahan panas
tahan panas, meksa tahan, banyu tahan