Properties of Anthracite lan Migmatite
Properties
fisik
atose
1-1.5
5.5-6.5
ukuran gandum
medium kanggo nggoleki coarse grained
medium kanggo nggoleki coarse grained
rengat
conchoidal
ora duwe aturan baku
tilas
ireng
putih
porosity
kurang keropos
banget kurang keropos
luster
mengilap
kurang kanggo mutiyara kanggo subvitreous
cleavage
non-ana
miskin
kateguhan
ora kasedhiya
1.2
tartamtu gravitasi
1.1-1.4
2.65-2.75
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
tahan panas, meksa tahan
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