fisik
atose
3-41-2
1
7
👆🏻
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
-
conchoidal
tilas
ireng
putih
porosity
kurang keropos
Highly keropos
luster
vitreous
phyllitic
kekuatan compressive
50.00 n / mm 250.00 n / mm 2
0.15
450
👆🏻
cleavage
-
crenulation lan mrembet
kateguhan
-
1.2
tartamtu gravitasi
2.12.72-2.73
0
8.4
👆🏻
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.9-3.1 g / cm 32.18-3.3 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.84 kj / kg k0.79 kj / kg k
0.14
3.2
👆🏻
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, meksa tahan, banyu tahan