fisik
atose
6.86-7
1
7
👆🏻
ukuran gandum
grained nggoleki
grained medium
rengat
ora rata
mrembet
tilas
putih, greenish putih utawa abu-abu
bluish ireng
porosity
kurang keropos
Highly keropos
luster
subvitreous kanggo kurang
kurang
kekuatan compressive
189.00 n / mm 292.40 n / mm 2
0.15
450
👆🏻
cleavage
-
-
kateguhan
2.1
2
tartamtu gravitasi
2.75-2.922.38
0
8.4
👆🏻
transparan
opaque
opaque
Kapadhetan
1.5-2.5 g / cm 3-9999 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.88 kj / kg k0.79 kj / kg k
0.14
3.2
👆🏻
resistance
tahan panas
tahan panas, impact tahan