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Coquina
Coquina

Pumice
Pumice



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Pumice

Properties of Coquina lan Pumice

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1 Properties
1.1 fisik
1.1.1 atose
1-26
Batubara
1 7
1.1.2 ukuran gandum
coarse grained
grained nggoleki
1.1.3 rengat
ora duwe aturan baku
planar
1.1.4 tilas
putih
putih, greenish putih utawa abu-abu
1.1.5 porosity
Highly keropos
Highly keropos
1.1.6 luster
kurang kanggo vitreous kanggo submetallic
earthy
1.1.7 kekuatan compressive
ora Sumadhiya51.20 n / mm 2
Properties of Obsidian
0.15 450
1.1.8 cleavage
ora kasedhiya
sampurna
1.1.9 kateguhan
ora kasedhiya
3
1.1.10 tartamtu gravitasi
1.10-2.242.86
Granit
0 8.4
1.1.11 transparan
opaque
opaque
1.1.12 Kapadhetan
2.8-2.9 g / cm 30.25-0.3 g / cm 3
Granit
0 1400
1.2 situs termal
1.2.1 kapasitas panas tartamtu
ora Sumadhiya0.87 kj / kg k
Properties of Granulite
0.14 3.2
1.2.2 resistance
tahan panas, impact tahan, meksa tahan, nyandhang tahan
impact tahan, meksa tahan