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Obsidian
Obsidian

Picrite
Picrite



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Obsidian
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Picrite

Properties of Obsidian lan Picrite

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Properties

atose

ukuran gandum

rengat

tilas

porosity

luster

kekuatan compressive

cleavage

kateguhan

tartamtu gravitasi

transparan

Kapadhetan

kapasitas panas tartamtu

resistance

 
5-5.5
-
conchoidal
putih
banget kurang keropos
vitreous
0.15 n / mm 2
-
-
2.6-2.7
tembus
2.6 g / cm 3
0.92 kj / kg k
tahan panas, impact tahan
 
6.8
grained nggoleki
ora rata
putih, greenish putih utawa abu-abu
kurang keropos
subvitreous kanggo kurang
189.00 n / mm 2
-
2.1
2.75-2.92
opaque
1.5-2.5 g / cm 3
0.88 kj / kg k
tahan panas