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Porphyry
Porphyry

Batubara
Batubara



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Batubara

Properties of Porphyry lan Batubara

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Properties

atose

ukuran gandum

rengat

tilas

porosity

luster

kekuatan compressive

cleavage

kateguhan

tartamtu gravitasi

transparan

Kapadhetan

kapasitas panas tartamtu

resistance

 
6-7
grained nggoleki
ora duwe aturan baku
putih
kurang keropos
kurang
150.00 n / mm 2
-
1.7
2.5-4
tembus kanggo opaque
2.5-2.52 g / cm 3
0.71 kj / kg k
tahan panas, impact tahan
 
1-1.5
medium kanggo nggoleki coarse grained
conchoidal
ireng
kurang keropos
kurang kanggo vitreous kanggo submetallic
-
-
-
1.1-1.4
opaque
1100-1400 g / cm 3
1.32 kj / kg k
tahan panas