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Obsidian
Obsidian

Dacite
Dacite



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Obsidian
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Dacite

Properties of Obsidian lan Dacite

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Properties

fisik

atose

5-5.52-2.25
1 7
👆🏻

ukuran gandum

-
medium kanggo nggoleki coarse grained

rengat

conchoidal
conchoidal

tilas

putih
putih

porosity

banget kurang keropos
kurang keropos

luster

vitreous
subvitreous kanggo kurang

kekuatan compressive

0.15 n / mm 270.00 n / mm 2
0.15 450
👆🏻

cleavage

-
sampurna

kateguhan

-
-

tartamtu gravitasi

2.6-2.72.86-2.87
0 8.4
👆🏻

transparan

tembus
tembus

Kapadhetan

2.6 g / cm 32.77-2.771 g / cm 3
0 1400
👆🏻

situs termal

kapasitas panas tartamtu

0.92 kj / kg k0.92 kj / kg k
0.14 3.2
👆🏻

resistance

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