Properties of Pantellerite lan Anthracite
Properties
fisik
atose
6-7
1-1.5
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
sub-conchoidal
conchoidal
tilas
dingerteni
ireng
porosity
kurang keropos
kurang keropos
luster
earthy
mengilap
cleavage
conchoidal
non-ana
kateguhan
2
ora kasedhiya
tartamtu gravitasi
ora Sumadhiya
1.1-1.4
transparan
tembus kanggo opaque
opaque
Kapadhetan
ora Sumadhiya
1.25-2.5 g / cm 3
situs termal
kapasitas panas tartamtu
ora Sumadhiya
1.32 kj / kg k
4
resistance
tahan panas
tahan panas, banyu tahan
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