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Obsidian
Obsidian

Comendite
Comendite



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Obsidian
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Comendite

Properties of Obsidian lan Comendite

Properties

fisik

atose

5-5.56-7
1 7
👆🏻

ukuran gandum

-
grained medium

rengat

conchoidal
mrembet

tilas

putih
bluish ireng

porosity

banget kurang keropos
Highly keropos

luster

vitreous
kurang

kekuatan compressive

0.15 n / mm 292.40 n / mm 2
0.15 450
👆🏻

cleavage

-
-

kateguhan

-
2

tartamtu gravitasi

2.6-2.72.38
0 8.4
👆🏻

transparan

tembus
opaque

Kapadhetan

2.6 g / cm 3-9999 g / cm 3
0 1400
👆🏻

situs termal

kapasitas panas tartamtu

0.92 kj / kg k0.79 kj / kg k
0.14 3.2
👆🏻

resistance

tahan panas, impact tahan
tahan panas, impact tahan