Properties of Icelandite lan Chert
ukuran gandum
banget nggoleki-grained
banget nggoleki-grained
rengat
ora rata
ora rata, splintery utawa conchoidal
porosity
kurang keropos
Highly keropos
luster
vitreous
waxy lan kurang
kekuatan compressive
ora Sumadhiya
cleavage
ora kasedhiya
non-ana
tartamtu gravitasi
2.5-2.8
2.5-2.8
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.11-2.36 g / cm 3
2.7 g / cm 3
resistance
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan