Properties of Theralite lan Pegmatite
ukuran gandum
grained nggoleki
medium kanggo coarse grained
rengat
ora rata, splintery utawa conchoidal
conchoidal
porosity
Highly keropos
kurang keropos
luster
waxy lan kurang
grainy, mutiyara lan vitreous
kekuatan compressive
ora Sumadhiya
cleavage
non-ana
sampurna
tartamtu gravitasi
2.5-2.8
2.6-2.63
transparan
tembus kanggo opaque
tembus kanggo opaque
Kapadhetan
2.7 g / cm 3
2.6-2.65 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
impact tahan, meksa tahan, nyandhang tahan
tahan panas, impact tahan, meksa tahan