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