Properties of Icelandite lan Pegmatite
ukuran gandum
banget nggoleki-grained
medium kanggo coarse grained
rengat
ora rata
conchoidal
porosity
kurang keropos
kurang keropos
luster
vitreous
grainy, mutiyara lan vitreous
kekuatan compressive
ora Sumadhiya
cleavage
ora kasedhiya
sampurna
tartamtu gravitasi
2.5-2.8
2.6-2.63
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.11-2.36 g / cm 3
2.6-2.65 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, meksa tahan, ngeruk tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan