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Pumice
Pumice

Marble
Marble



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Pumice
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Properties of Pumice lan Marble

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1 Properties
1.1 fisik
1.1.1 atose
63-4
Batubara
1 7
1.1.2 ukuran gandum
grained nggoleki
grained medium
1.1.3 rengat
planar
ora kasedhiya
1.1.4 tilas
putih, greenish putih utawa abu-abu
putih
1.1.5 porosity
Highly keropos
kurang keropos
1.1.6 luster
earthy
kurang kanggo mutiyara kanggo subvitreous
1.1.7 kekuatan compressive
51.20 n / mm 2115.00 n / mm 2
Properties of Obsidian
0.15 450
1.1.8 cleavage
sampurna
sampurna
1.1.9 kateguhan
3
ora kasedhiya
1.1.10 tartamtu gravitasi
2.862.86-2.87
Granit
0 8.4
1.1.11 transparan
opaque
opaque
1.1.12 Kapadhetan
0.25-0.3 g / cm 32.4-2.7 g / cm 3
Granit
0 1400
1.2 situs termal
1.2.1 kapasitas panas tartamtu
0.87 kj / kg k0.88 kj / kg k
Properties of Granulite
0.14 3.2
1.2.2 resistance
impact tahan, meksa tahan
tahan panas