Properties of Batubara lan Tephrite

Batubara

Tephrite

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Properties

atose

ukuran gandum

rengat

tilas

porosity

luster

kekuatan compressive

cleavage

kateguhan

tartamtu gravitasi

transparan

Kapadhetan

kapasitas panas tartamtu

resistance

1-1.5

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

6.5

medium kanggo nggoleki coarse grained

ora rata

bluish ireng

banget kurang keropos

subvitreous kanggo kurang

90.00 n / mm ²

crenulation lan mrembet

2.4

2.86

opaque

2.8-2.9 g / cm ³

0.92 kj / kg k

tahan panas, impact tahan

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