Properties of Luxullianite lan Tephrite
Properties
fisik
atose
6-7
6.5
ukuran gandum
gedhe lan coarse grained
medium kanggo nggoleki coarse grained
rengat
ora kasedhiya
ora rata
tilas
putih
bluish ireng
porosity
kurang keropos
banget kurang keropos
luster
kurang kanggo grainy karo bagean kala-kala pearly lan vitreous
subvitreous kanggo kurang
kekuatan compressive
175.00 n / mm 2
13
90.00 n / mm 2
22
cleavage
ora kasedhiya
crenulation lan mrembet
kateguhan
ora kasedhiya
2.4
tartamtu gravitasi
2.6-2.7
2.86
transparan
opaque
opaque
Kapadhetan
2.6-2.8 g / cm 3
2.8-2.9 g / cm 3
situs termal
kapasitas panas tartamtu
0.79 kj / kg k
16
0.92 kj / kg k
10
resistance
tahan panas, nyandhang tahan
tahan panas, impact tahan
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