fisik
atose
4-56-7
1
7
👆🏻
ukuran gandum
nggoleki grained medium
grained medium
rengat
conchoidal
mrembet
tilas
putih kanggo werna abu-abu
bluish ireng
porosity
Highly keropos
Highly keropos
luster
metallic
kurang
kekuatan compressive
-92.40 n / mm 2
0.15
450
👆🏻
cleavage
-
-
kateguhan
-
2
tartamtu gravitasi
2.02.38
0
8.4
👆🏻
transparan
opaque
opaque
Kapadhetan
-9999 g / cm 3-9999 g / cm 3
0
1400
👆🏻
situs termal
kapasitas panas tartamtu
0.24 kj / kg k0.79 kj / kg k
0.14
3.2
👆🏻
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, impact tahan