Properties of Comendite lan Pegmatite
ukuran gandum
grained medium
medium kanggo coarse grained
rengat
mrembet
conchoidal
porosity
Highly keropos
kurang keropos
luster
kurang
grainy, mutiyara lan vitreous
cleavage
ora kasedhiya
sampurna
tartamtu gravitasi
2.38
2.6-2.63
transparan
opaque
tembus kanggo opaque
Kapadhetan
ora Sumadhiya
2.6-2.65 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan