Properties of Anthracite lan Serpentinite
ukuran gandum
medium kanggo nggoleki coarse grained
banget nggoleki-grained
rengat
conchoidal
ora rata
tilas
ireng
putih, greenish putih utawa abu-abu
porosity
kurang keropos
kurang keropos
luster
mengilap
waxy lan kurang
kekuatan compressive
ora Sumadhiya
cleavage
non-ana
ora duwe aturan baku
kateguhan
ora kasedhiya
7
tartamtu gravitasi
1.1-1.4
2.79-3
Kapadhetan
1.25-2.5 g / cm 3
2.5-3 g / cm 3
resistance
tahan panas, banyu tahan
tahan panas