Properties of Anthracite lan Breccia
ukuran gandum
medium kanggo nggoleki coarse grained
medium kanggo coarse grained
rengat
conchoidal
ora rata
porosity
kurang keropos
kurang keropos
luster
mengilap
kurang kanggo pearly
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
1.1-1.4
2.86-2.87
Kapadhetan
1.25-2.5 g / cm 3
0 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, banyu tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan