Properties of Anthracite lan Marble
ukuran gandum
medium kanggo nggoleki coarse grained
grained medium
rengat
conchoidal
ora kasedhiya
porosity
kurang keropos
kurang keropos
luster
mengilap
kurang kanggo mutiyara kanggo subvitreous
kekuatan compressive
ora Sumadhiya
cleavage
non-ana
sampurna
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
1.1-1.4
2.86-2.87
Kapadhetan
1.25-2.5 g / cm 3
2.4-2.7 g / cm 3
resistance
tahan panas, banyu tahan
tahan panas