fisik
atose
1-1.56.5
1
7
👆🏻
ukuran gandum
medium kanggo nggoleki coarse grained
medium kanggo nggoleki coarse grained
rengat
conchoidal
ora rata
tilas
ireng
bluish ireng
porosity
kurang keropos
banget kurang keropos
luster
kurang kanggo vitreous kanggo submetallic
subvitreous kanggo kurang
kekuatan compressive
-90.00 n / mm 2
0.15
450
👆🏻
cleavage
-
crenulation lan mrembet
kateguhan
-
2.4
tartamtu gravitasi
1.1-1.42.86
0
8.4
👆🏻
transparan
opaque
opaque
Kapadhetan
1100-1400 g / cm 32.8-2.9 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
1.32 kj / kg k0.92 kj / kg k
0.14
3.2
👆🏻
resistance
tahan panas
tahan panas, impact tahan