Properties of Anthracite lan Essexite
Properties
fisik
atose
1-1.5
7
ukuran gandum
medium kanggo nggoleki coarse grained
grained nggoleki
rengat
conchoidal
conchoidal
tilas
ireng
ireng
porosity
kurang keropos
Highly keropos
luster
mengilap
ora kasedhiya
cleavage
non-ana
ora kasedhiya
kateguhan
ora kasedhiya
1.6
tartamtu gravitasi
1.1-1.4
ora Sumadhiya
transparan
opaque
opaque
Kapadhetan
1.25-2.5 g / cm 3
ora Sumadhiya
situs termal
kapasitas panas tartamtu
1.32 kj / kg k
4
ora Sumadhiya
resistance
tahan panas, banyu tahan
impact tahan, meksa tahan, nyandhang tahan
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