Properties of Anthracite lan Gabbro
ukuran gandum
medium kanggo nggoleki coarse grained
coarse grained
rengat
conchoidal
conchoidal
porosity
kurang keropos
Highly keropos
luster
mengilap
ora kasedhiya
kekuatan compressive
ora Sumadhiya
cleavage
non-ana
ora kasedhiya
kateguhan
ora kasedhiya
1.6
tartamtu gravitasi
1.1-1.4
2.86-2.87
Kapadhetan
1.25-2.5 g / cm 3
2.7-3.3 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, banyu tahan
impact tahan, meksa tahan, nyandhang tahan