fisik
atose
5.5-66.5
1
7
👆🏻
ukuran gandum
coarse grained
medium kanggo nggoleki coarse grained
rengat
ora duwe aturan baku
ora rata
tilas
putih
bluish ireng
porosity
kurang keropos
banget kurang keropos
luster
mengilap
subvitreous kanggo kurang
kekuatan compressive
107.55 n / mm 290.00 n / mm 2
0.15
450
👆🏻
cleavage
-
crenulation lan mrembet
kateguhan
2.1
2.4
tartamtu gravitasi
3-3.012.86
0
8.4
👆🏻
transparan
tembus kanggo opaque
opaque
Kapadhetan
3.1-3.4 g / cm 32.8-2.9 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
1.25 kj / kg k0.92 kj / kg k
0.14
3.2
👆🏻
resistance
tahan panas, meksa tahan, nyandhang tahan
tahan panas, impact tahan