fisik
atose
6.57
1
7
👆🏻
ukuran gandum
medium kanggo nggoleki coarse grained
banget nggoleki-grained
rengat
ora rata
conchoidal
tilas
bluish ireng
putih
porosity
banget kurang keropos
Highly keropos
luster
subvitreous kanggo kurang
vitreous
kekuatan compressive
90.00 n / mm 2450.00 n / mm 2
0.15
450
👆🏻
cleavage
crenulation lan mrembet
-
kateguhan
2.4
1.5
tartamtu gravitasi
2.862.5-2.8
0
8.4
👆🏻
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.8-2.9 g / cm 32.7-2.71 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.92 kj / kg k0.74 kj / kg k
0.14
3.2
👆🏻
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan