fisik
atose
3.5-43.5-4
1
7
👆🏻
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
rengat
conchoidal
-
tilas
putih
putih
porosity
Highly keropos
kurang keropos
luster
mengilap
subvitreous kanggo kurang
kekuatan compressive
150.00 n / mm 2200.00 n / mm 2
0.15
450
👆🏻
cleavage
slaty
sampurna
kateguhan
1.5
-
tartamtu gravitasi
2.5-2.92.86-2.87
0
8.4
👆🏻
transparan
opaque
opaque
Kapadhetan
2.8-2.9 g / cm 33.2-3.6 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.70 kj / kg k0.75 kj / kg k
0.14
3.2
👆🏻
resistance
impact tahan, meksa tahan, banyu tahan
tahan panas