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Obsidian
Obsidian

Marble
Marble



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Obsidian
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Marble

Properties of Obsidian lan Marble

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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
 
3-4
grained medium
-
putih
kurang keropos
kurang kanggo mutiyara kanggo subvitreous
115.00 n / mm 2
sampurna
-
2.86-2.87
opaque
2.4-2.7 g / cm 3
0.88 kj / kg k
tahan panas