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Pegmatite
Pegmatite

Anthracite
Anthracite



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Pegmatite
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Anthracite

Properties of Pegmatite lan Anthracite

1 Properties
1.1 fisik
1.1.1 atose
71-1.5
Batubara
1 7
1.1.2 ukuran gandum
medium kanggo coarse grained
medium kanggo nggoleki coarse grained
1.1.3 rengat
conchoidal
conchoidal
1.1.4 tilas
putih
ireng
1.1.5 porosity
kurang keropos
kurang keropos
1.1.6 luster
grainy, mutiyara lan vitreous
mengilap
1.1.7 kekuatan compressive
178.54 n / mm 2ora Sumadhiya
Properties of Obsidian
0.15 450
1.1.8 cleavage
sampurna
non-ana
1.1.9 kateguhan
2.1
ora kasedhiya
1.1.10 tartamtu gravitasi
2.6-2.631.1-1.4
Granit
0 8.4
1.1.11 transparan
tembus kanggo opaque
opaque
1.1.12 Kapadhetan
2.6-2.65 g / cm 31.25-2.5 g / cm 3
Granit
0 1400
1.2 situs termal
1.2.1 kapasitas panas tartamtu
ora Sumadhiya1.32 kj / kg k
Properties of Granulite
0.14 3.2
1.2.2 resistance
tahan panas, impact tahan, meksa tahan
tahan panas, banyu tahan