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Lignite
Lignite
☒

Pumice
Pumice
☒



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Lignite
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Pumice

Properties of Lignite lan Pumice

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Properties

atose

ukuran gandum

rengat

tilas

porosity

luster

kekuatan compressive

cleavage

kateguhan

tartamtu gravitasi

transparan

Kapadhetan

kapasitas panas tartamtu

resistance

 
1
medium kanggo nggoleki coarse grained
conchoidal
ireng
Highly keropos
kurang kanggo vitreous kanggo submetallic
-
-
-
1.1-1.4
opaque
800-801 g / cm 3
1.26 kj / kg k
tahan panas
 
6
grained nggoleki
planar
putih, greenish putih utawa abu-abu
Highly keropos
earthy
51.20 n / mm 2
sampurna
3
2.86
opaque
0.25-0.3 g / cm 3
0.87 kj / kg k
impact tahan, meksa tahan