Properties of Anthracite lan Gneiss
Properties
fisik
atose
1-1.5
7
ukuran gandum
medium kanggo nggoleki coarse grained
medium kanggo coarse grained
rengat
conchoidal
ora duwe aturan baku
tilas
ireng
putih
porosity
kurang keropos
banget kurang keropos
luster
mengilap
kurang
kekuatan compressive
ora Sumadhiya
125.00 n / mm 2
17
cleavage
non-ana
miskin
kateguhan
ora kasedhiya
1.2
tartamtu gravitasi
1.1-1.4
2.5-2.7
transparan
opaque
tembus kanggo opaque
Kapadhetan
1.25-2.5 g / cm 3
2.6-2.9 g / cm 3
situs termal
kapasitas panas tartamtu
1.32 kj / kg k
4
ora Sumadhiya
resistance
tahan panas, banyu tahan
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan
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