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Tephrite
Tephrite

Dacite
Dacite



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Tephrite
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Dacite

Properties of Tephrite lan Dacite

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1 Properties
1.1 fisik
1.1.1 atose
6.52-2.25
Batubara
1 7
1.1.2 ukuran gandum
medium kanggo nggoleki coarse grained
medium kanggo nggoleki coarse grained
1.1.3 rengat
ora rata
conchoidal
1.1.4 tilas
bluish ireng
putih
1.1.5 porosity
banget kurang keropos
kurang keropos
1.1.6 luster
subvitreous kanggo kurang
subvitreous kanggo kurang
1.1.7 kekuatan compressive
90.00 n / mm 2ora Sumadhiya
Properties of Obsidian
0.15 450
1.1.8 cleavage
crenulation lan mrembet
sampurna
1.1.9 kateguhan
2.4
ora kasedhiya
1.1.10 tartamtu gravitasi
2.862.86-2.87
Granit
0 8.4
1.1.11 transparan
opaque
tembus
1.1.12 Kapadhetan
2.8-2.9 g / cm 32.77-2.771 g / cm 3
Granit
0 1400
1.2 situs termal
1.2.1 kapasitas panas tartamtu
0.92 kj / kg k0.92 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