fisik
atose
2-36.5
1
7
👆🏻
ukuran gandum
banget nggoleki-grained
medium kanggo nggoleki coarse grained
rengat
conchoidal
ora rata
tilas
putih
bluish ireng
porosity
Highly keropos
banget kurang keropos
luster
kurang
subvitreous kanggo kurang
kekuatan compressive
225.00 n / mm 290.00 n / mm 2
0.15
450
👆🏻
cleavage
sampurna
crenulation lan mrembet
kateguhan
2.6
2.4
tartamtu gravitasi
2.2-2.82.86
0
8.4
👆🏻
transparan
opaque
opaque
Kapadhetan
2.4-2.8 g / cm 32.8-2.9 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.39 kj / kg k0.92 kj / kg k
0.14
3.2
👆🏻
resistance
tahan panas, impact tahan
tahan panas, impact tahan