fisik
atose
6.56-7
1
7
👆🏻
ukuran gandum
grained nggoleki
grained medium
rengat
ora duwe aturan baku
mrembet
tilas
cahya kanggo coklat peteng
bluish ireng
porosity
kurang keropos
Highly keropos
luster
waxy lan kurang
kurang
kekuatan compressive
70.00 n / mm 292.40 n / mm 2
0.15
450
👆🏻
cleavage
slaty
-
kateguhan
2.4
2
tartamtu gravitasi
2.862.38
0
8.4
👆🏻
transparan
opaque
opaque
Kapadhetan
2.8-2.9 g / cm 3-9999 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.92 kj / kg k0.79 kj / kg k
0.14
3.2
👆🏻
resistance
tahan panas
tahan panas, impact tahan