fisik
atose
6-71
1
7
👆🏻
ukuran gandum
grained medium
medium kanggo nggoleki coarse grained
rengat
mrembet
conchoidal
tilas
bluish ireng
ireng
porosity
Highly keropos
Highly keropos
luster
kurang
kurang kanggo vitreous kanggo submetallic
kekuatan compressive
92.40 n / mm 2-
0.15
450
👆🏻
cleavage
-
-
kateguhan
2
-
tartamtu gravitasi
2.381.1-1.4
0
8.4
👆🏻
transparan
opaque
opaque
Kapadhetan
-9999 g / cm 3800-801 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.79 kj / kg k1.26 kj / kg k
0.14
3.2
👆🏻
resistance
tahan panas, impact tahan
tahan panas