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Trachyte
Trachyte

Obsidian
Obsidian



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Trachyte
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Obsidian

Properties of Trachyte lan Obsidian

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Properties

fisik

atose

65-5.5
1 7
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ukuran gandum

grained nggoleki
-

rengat

-
conchoidal

tilas

putih
putih

porosity

kurang keropos
banget kurang keropos

luster

metallic
vitreous

kekuatan compressive

150.00 n / mm 20.15 n / mm 2
0.15 450
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cleavage

-
-

kateguhan

-
-

tartamtu gravitasi

2.72.6-2.7
0 8.4
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transparan

opaque
tembus

Kapadhetan

2.43-2.45 g / cm 32.6 g / cm 3
0 1400
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situs termal

kapasitas panas tartamtu

0.84 kj / kg k0.92 kj / kg k
0.14 3.2
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resistance

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