fisik
atose
33.5-4
1
7
👆🏻
ukuran gandum
medium kanggo nggoleki coarse grained
medium kanggo nggoleki coarse grained
rengat
conchoidal
conchoidal
tilas
putih
putih
porosity
kurang keropos
Highly keropos
luster
subvitreous kanggo kurang
mengilap
kekuatan compressive
195.00 n / mm 2150.00 n / mm 2
0.15
450
👆🏻
cleavage
-
slaty
kateguhan
1
1.5
tartamtu gravitasi
2.86-2.872.5-2.9
0
8.4
👆🏻
transparan
opaque
opaque
Kapadhetan
2.84-2.86 g / cm 32.8-2.9 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.84 kj / kg k0.70 kj / kg k
0.14
3.2
👆🏻
resistance
tahan panas, meksa tahan
impact tahan, meksa tahan, banyu tahan