Properties
fisik
atose
6-7
5-5.5
ukuran gandum
medium kanggo nggoleki coarse grained
ora ditrapake
rengat
conchoidal
conchoidal
tilas
bluish ireng
putih
porosity
banget kurang keropos
banget kurang keropos
luster
subvitreous kanggo kurang
vitreous
kekuatan compressive
ora Sumadhiya
0.15 n / mm 2
33
cleavage
ora kasedhiya
non-ana
kateguhan
2.1
ora kasedhiya
tartamtu gravitasi
2.86-3
2.6-2.7
transparan
opaque
tembus
Kapadhetan
2.73 g / cm 3
2.6 g / cm 3
situs termal
kapasitas panas tartamtu
0.92 kj / kg k
10
0.92 kj / kg k
10
resistance
tahan panas, meksa tahan, nyandhang tahan
tahan panas, impact tahan
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