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Pegmatite
Pegmatite

Dacite
Dacite



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Pegmatite
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Dacite

Properties of Pegmatite lan Dacite

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1 Properties
1.1 fisik
1.1.1 atose
72-2.25
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
putih
1.1.5 porosity
kurang keropos
kurang keropos
1.1.6 luster
grainy, mutiyara lan vitreous
subvitreous kanggo kurang
1.1.7 kekuatan compressive
178.54 n / mm 2ora Sumadhiya
Properties of Obsidian
0.15 450
1.1.8 cleavage
sampurna
sampurna
1.1.9 kateguhan
2.1
ora kasedhiya
1.1.10 tartamtu gravitasi
2.6-2.632.86-2.87
Granit
0 8.4
1.1.11 transparan
tembus kanggo opaque
tembus
1.1.12 Kapadhetan
2.6-2.65 g / cm 32.77-2.771 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, impact tahan, meksa tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan