Properties of Wehrlite lan Anthracite
ukuran gandum
coarse grained
medium kanggo nggoleki coarse grained
rengat
ora duwe aturan baku
conchoidal
porosity
kurang keropos
kurang keropos
cleavage
sampurna
non-ana
kateguhan
2.1
ora kasedhiya
tartamtu gravitasi
8.4
1.1-1.4
Kapadhetan
2.6-3.7 g / cm 3
1.25-2.5 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, banyu tahan