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Gneiss
Gneiss

Obsidian
Obsidian



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Gneiss
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Obsidian

Properties of Gneiss lan Obsidian

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1 Properties
1.1 fisik
1.1.1 atose
75-5.5
Batubara
1 7
1.1.2 ukuran gandum
medium kanggo coarse grained
ora ditrapake
1.1.3 rengat
ora duwe aturan baku
conchoidal
1.1.4 tilas
putih
putih
1.1.5 porosity
banget kurang keropos
banget kurang keropos
1.1.6 luster
kurang
vitreous
1.1.7 kekuatan compressive
125.00 n / mm 20.15 n / mm 2
Slate
0.15 450
1.1.8 cleavage
miskin
non-ana
1.1.9 kateguhan
1.2
ora kasedhiya
1.1.10 tartamtu gravitasi
2.5-2.72.6-2.7
Granit
0 8.4
1.1.11 transparan
tembus kanggo opaque
tembus
1.1.12 Kapadhetan
2.6-2.9 g / cm 32.6 g / cm 3
Granit
0 1400
1.2 situs termal
1.2.1 kapasitas panas tartamtu
ora Sumadhiya0.92 kj / kg k
Properties of Granulite
0.14 3.2
1.2.2 resistance
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan
tahan panas, impact tahan