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Websterite
Websterite

Batubara
Batubara



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Batubara

Properties of Websterite lan Batubara

Properties

fisik

atose

71-1.5
1 7
👆🏻

ukuran gandum

coarse grained
medium kanggo nggoleki coarse grained

rengat

ora rata
conchoidal

tilas

putih, greenish putih utawa abu-abu
ireng

porosity

kurang keropos
kurang keropos

luster

kurang kanggo vitreous kanggo submetallic
kurang kanggo vitreous kanggo submetallic

kekuatan compressive

95.00 n / mm 2-
0.15 450
👆🏻

cleavage

-
-

kateguhan

-
-

tartamtu gravitasi

3.2-3.51.1-1.4
0 8.4
👆🏻

transparan

opaque
opaque

Kapadhetan

3.1-3.6 g / cm 31100-1400 g / cm 3
0 1400
👆🏻

situs termal

kapasitas panas tartamtu

0.79 kj / kg k1.32 kj / kg k
0.14 3.2
👆🏻

resistance

impact tahan, meksa tahan, nyandhang tahan
tahan panas