Properties of Pumice lan Slate
Properties
fisik
atose
6
3-4
ukuran gandum
grained nggoleki
banget nggoleki-grained
rengat
planar
splintery
tilas
putih, greenish putih utawa abu-abu
cahya kanggo coklat peteng
porosity
Highly keropos
kurang keropos
luster
earthy
kurang
kekuatan compressive
51.20 n / mm 2
26
30.00 n / mm 2
30
cleavage
sampurna
slaty
kateguhan
3
1.2
tartamtu gravitasi
2.86
2.65-2.8
transparan
opaque
opaque
Kapadhetan
0.25-0.3 g / cm 3
2.6-2.8 g / cm 3
situs termal
kapasitas panas tartamtu
0.87 kj / kg k
14
0.76 kj / kg k
17
resistance
impact tahan, meksa tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan
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