Properties of Anthracite lan Siltstone
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
rengat
conchoidal
conchoidal
porosity
kurang keropos
Highly keropos
cleavage
non-ana
ora kasedhiya
kateguhan
ora kasedhiya
2.6
tartamtu gravitasi
1.1-1.4
2.54-2.73
Kapadhetan
1.25-2.5 g / cm 3
2.6-2.7 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, banyu tahan
tahan panas, impact tahan, meksa tahan, banyu tahan