Properties
fisik
atose
5.5-6
6-7
ukuran gandum
grained nggoleki
gedhe lan coarse grained
rengat
conchoidal
sub-conchoidal
tilas
ireng
wernane
porosity
kurang keropos
Highly keropos
luster
greasy kanggo kurang
earthy
kekuatan compressive
200.50 n / mm 2
9
140.00 n / mm 2
15
cleavage
ora kasedhiya
ora kasedhiya
kateguhan
2.1
2
tartamtu gravitasi
2.34-2.40
2.65-2.67
transparan
opaque
opaque
Kapadhetan
ora Sumadhiya
2.4-2.6 g / cm 3
situs termal
kapasitas panas tartamtu
1.12 kj / kg k
7
ora Sumadhiya
resistance
tahan panas
tahan panas, nyandhang tahan
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