fisik
atose
66.5
1
7
👆🏻
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
conchoidal
ora rata
tilas
putih kanggo werna abu-abu
bluish ireng
porosity
kurang keropos
banget kurang keropos
luster
-
subvitreous kanggo kurang
kekuatan compressive
37.40 n / mm 290.00 n / mm 2
0.15
450
👆🏻
cleavage
-
crenulation lan mrembet
kateguhan
2.3
2.4
tartamtu gravitasi
2.8-32.86
0
8.4
👆🏻
transparan
opaque
opaque
Kapadhetan
2.9-3.1 g / cm 32.8-2.9 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.84 kj / kg k0.92 kj / kg k
0.14
3.2
👆🏻
resistance
tahan panas, meksa tahan, nyandhang tahan
tahan panas, impact tahan