Properties of Kapur lan Anthracite
ukuran gandum
banget nggoleki-grained
medium kanggo nggoleki coarse grained
rengat
ora kasedhiya
conchoidal
porosity
Highly keropos
kurang keropos
kateguhan
1
ora kasedhiya
tartamtu gravitasi
2.3-2.4
1.1-1.4
Kapadhetan
2.49-2.50 g / cm 3
1.25-2.5 g / cm 3
resistance
tahan panas
tahan panas, banyu tahan