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Obsidian
Obsidian

Gneiss
Gneiss



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Obsidian
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Gneiss

Properties of Obsidian lan Gneiss

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1 Properties
1.1 fisik
1.1.1 atose
5-5.57
Batubara
1 7
1.1.2 ukuran gandum
ora ditrapake
medium kanggo coarse grained
1.1.3 rengat
conchoidal
ora duwe aturan baku
1.1.4 tilas
putih
putih
1.1.5 porosity
banget kurang keropos
banget kurang keropos
1.1.6 luster
vitreous
kurang
1.1.7 kekuatan compressive
0.15 n / mm 2125.00 n / mm 2
Slate
0.15 450
1.1.8 cleavage
non-ana
miskin
1.1.9 kateguhan
ora kasedhiya
1.2
1.1.10 tartamtu gravitasi
2.6-2.72.5-2.7
Granit
0 8.4
1.1.11 transparan
tembus
tembus kanggo opaque
1.1.12 Kapadhetan
2.6 g / cm 32.6-2.9 g / cm 3
Granit
0 1400
1.2 situs termal
1.2.1 kapasitas panas tartamtu
0.92 kj / kg kora Sumadhiya
Properties of Granulite
0.14 3.2
1.2.2 resistance
tahan panas, impact tahan
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan