Properties of Icelandite lan Mangerite
ukuran gandum
banget nggoleki-grained
medium kanggo nggoleki coarse grained
rengat
ora rata
ora kasedhiya
porosity
kurang keropos
kurang keropos
luster
vitreous
subvitreous kanggo kurang
kekuatan compressive
ora Sumadhiya
cleavage
ora kasedhiya
ora kasedhiya
kateguhan
1.1
ora kasedhiya
tartamtu gravitasi
2.5-2.8
2.8-3
Kapadhetan
2.11-2.36 g / cm 3
2.9-2.91 g / cm 3
resistance
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan