fisik
atose
6-72-3
1
7
👆🏻
ukuran gandum
grained medium
grained nggoleki
rengat
mrembet
conchoidal kanggo ora rata
tilas
bluish ireng
putih kanggo werna abu-abu
porosity
Highly keropos
Highly keropos
luster
kurang
waxy lan kurang
kekuatan compressive
92.40 n / mm 2-
0.15
450
👆🏻
cleavage
-
slaty
kateguhan
2
2.6
tartamtu gravitasi
2.382.56-2.68
0
8.4
👆🏻
transparan
opaque
opaque
Kapadhetan
-9999 g / cm 32.54-2.66 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.79 kj / kg k0.87 kj / kg k
0.14
3.2
👆🏻
resistance
tahan panas, impact tahan
tahan panas, impact tahan