Properties of Anthracite lan Boninite
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
rengat
conchoidal
ora rata
porosity
kurang keropos
kurang keropos
cleavage
non-ana
ora kasedhiya
kateguhan
ora kasedhiya
1.1
tartamtu gravitasi
1.1-1.4
2.5-2.8
Kapadhetan
1.25-2.5 g / cm 3
ora Sumadhiya
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, banyu tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan