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Obsidian
Obsidian

Quartzite
Quartzite



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Obsidian
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Quartzite

Properties of Obsidian lan Quartzite

1 Properties
1.1 fisik
1.1.1 atose
5-5.56-7
Batubara
1 7
1.1.2 ukuran gandum
ora ditrapake
grained medium
1.1.3 rengat
conchoidal
ora rata, splintery utawa conchoidal
1.1.4 tilas
putih
putih
1.1.5 porosity
banget kurang keropos
kurang keropos
1.1.6 luster
vitreous
vitreous
1.1.7 kekuatan compressive
0.15 n / mm 2115.00 n / mm 2
Slate
0.15 450
1.1.8 cleavage
non-ana
indiscernible
1.1.9 kateguhan
ora kasedhiya
1.9
1.1.10 tartamtu gravitasi
2.6-2.72.6-2.8
Granit
0 8.4
1.1.11 transparan
tembus
transparent kanggo Translucent
1.1.12 Kapadhetan
2.6 g / cm 32.32-2.42 g / cm 3
Granit
0 1400
1.2 situs termal
1.2.1 kapasitas panas tartamtu
0.92 kj / kg k0.75 kj / kg k
Properties of Granulite
0.14 3.2
1.2.2 resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan