Properties of Obsidian lan Rhyodacite
Properties
fisik
atose
5-5.5
5.5-6
ukuran gandum
ora ditrapake
grained nggoleki
rengat
conchoidal
conchoidal
tilas
putih
ireng
porosity
banget kurang keropos
kurang keropos
luster
vitreous
greasy kanggo kurang
kekuatan compressive
0.15 n / mm 2
33
200.50 n / mm 2
9
cleavage
non-ana
ora kasedhiya
kateguhan
ora kasedhiya
2.1
tartamtu gravitasi
2.6-2.7
2.34-2.40
transparan
tembus
opaque
Kapadhetan
2.6 g / cm 3
ora Sumadhiya
situs termal
kapasitas panas tartamtu
0.92 kj / kg k
10
1.12 kj / kg k
7
resistance
tahan panas, impact tahan
tahan panas
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