Properties of Batubara lan Blueschist
ukuran gandum
medium kanggo nggoleki coarse grained
nggoleki grained medium
rengat
conchoidal
conchoidal
tilas
ireng
putih kanggo werna abu-abu
porosity
kurang keropos
Highly keropos
luster
kurang kanggo vitreous kanggo submetallic
kurang
kateguhan
ora kasedhiya
1.5
tartamtu gravitasi
1.1-1.4
3-3.2
Kapadhetan
1100-1400 g / cm 3
2.8-2.9 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas
impact tahan, meksa tahan