Properties of Quartzite lan Anthracite
ukuran gandum
grained medium
medium kanggo nggoleki coarse grained
rengat
ora rata, splintery utawa conchoidal
conchoidal
porosity
kurang keropos
kurang keropos
kekuatan compressive
ora Sumadhiya
cleavage
indiscernible
non-ana
kateguhan
1.9
ora kasedhiya
tartamtu gravitasi
2.6-2.8
1.1-1.4
transparan
transparent kanggo Translucent
opaque
Kapadhetan
2.32-2.42 g / cm 3
1.25-2.5 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
tahan panas, banyu tahan