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Pumice
Pumice

Coquina
Coquina



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Coquina

Properties of Pumice lan Coquina

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1 Properties
1.1 fisik
1.1.1 atose
61-2
Batubara
1 7
1.1.2 ukuran gandum
grained nggoleki
coarse grained
1.1.3 rengat
planar
ora duwe aturan baku
1.1.4 tilas
putih, greenish putih utawa abu-abu
putih
1.1.5 porosity
Highly keropos
Highly keropos
1.1.6 luster
earthy
kurang kanggo vitreous kanggo submetallic
1.1.7 kekuatan compressive
51.20 n / mm 2ora Sumadhiya
Properties of Obsidian
0.15 450
1.1.8 cleavage
sampurna
ora kasedhiya
1.1.9 kateguhan
3
ora kasedhiya
1.1.10 tartamtu gravitasi
2.861.10-2.24
Granit
0 8.4
1.1.11 transparan
opaque
opaque
1.1.12 Kapadhetan
0.25-0.3 g / cm 32.8-2.9 g / cm 3
Granit
0 1400
1.2 situs termal
1.2.1 kapasitas panas tartamtu
0.87 kj / kg kora Sumadhiya
Properties of Granulite
0.14 3.2
1.2.2 resistance
impact tahan, meksa tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan