fisik
atose
6.51-1.5
1
7
👆🏻
ukuran gandum
medium kanggo nggoleki coarse grained
medium kanggo nggoleki coarse grained
rengat
ora rata
conchoidal
tilas
bluish ireng
ireng
porosity
banget kurang keropos
kurang keropos
luster
subvitreous kanggo kurang
mengilap
kekuatan compressive
90.00 n / mm 2-
0.15
450
👆🏻
cleavage
crenulation lan mrembet
-
kateguhan
2.4
-
tartamtu gravitasi
2.861.1-1.4
0
8.4
👆🏻
transparan
opaque
opaque
Kapadhetan
2.8-2.9 g / cm 31.25-2.5 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.92 kj / kg k1.32 kj / kg k
0.14
3.2
👆🏻
resistance
tahan panas, impact tahan
tahan panas, banyu tahan