fisik
atose
6.57
1
7
👆🏻
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
rengat
ora rata
ora rata, splintery utawa conchoidal
tilas
bluish ireng
putih
porosity
banget kurang keropos
Highly keropos
luster
subvitreous kanggo kurang
waxy lan kurang
kekuatan compressive
90.00 n / mm 2100.00 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 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