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Pegmatite
Pegmatite

Chert
Chert



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Pegmatite
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Chert

Properties of Pegmatite lan Chert

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Properties

fisik

atose

76.5-7
1 7
👆🏻

ukuran gandum

medium kanggo coarse grained
banget nggoleki-grained

rengat

conchoidal
ora rata, splintery utawa conchoidal

tilas

putih
putih

porosity

kurang keropos
Highly keropos

luster

grainy, mutiyara lan vitreous
waxy lan kurang

kekuatan compressive

178.54 n / mm 2450.00 n / mm 2
0.15 450
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cleavage

sampurna
-

kateguhan

2.1
1.5

tartamtu gravitasi

2.6-2.632.5-2.8
0 8.4
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transparan

tembus kanggo opaque
tembus kanggo opaque

Kapadhetan

2.6-2.65 g / cm 32.7 g / cm 3
0 1400
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situs termal

kapasitas panas tartamtu

0.79 kj / kg k0.74 kj / kg k
0.14 3.2
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resistance

tahan panas, impact tahan, meksa tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan