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