Properties of Icelandite lan Trondhjemite
ukuran gandum
banget nggoleki-grained
medium kanggo nggoleki coarse grained
rengat
ora rata
conchoidal
porosity
kurang keropos
banget kurang keropos
luster
vitreous
subvitreous kanggo kurang
cleavage
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
2.5-2.8
2.86-3
Kapadhetan
2.11-2.36 g / cm 3
2.73 g / cm 3
resistance
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan
tahan panas, meksa tahan, nyandhang tahan