Properties of Aplite lan Anthracite
ukuran gandum
banget nggoleki-grained
medium kanggo nggoleki coarse grained
rengat
ora kasedhiya
conchoidal
porosity
kurang keropos
kurang keropos
luster
kurang kanggo mutiyara kanggo subvitreous
mengilap
kekuatan compressive
ora Sumadhiya
cleavage
ora kasedhiya
non-ana
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
2.6
1.1-1.4
Kapadhetan
2.6 g / cm 3
1.25-2.5 g / cm 3
resistance
tahan panas, nyandhang tahan
tahan panas, banyu tahan