Properties of Krikel lan Pegmatite
ukuran gandum
banget nggoleki-grained
medium kanggo coarse grained
rengat
ora kasedhiya
conchoidal
porosity
Highly keropos
kurang keropos
luster
kurang
grainy, mutiyara lan vitreous
tartamtu gravitasi
2.2-2.8
2.6-2.63
transparan
opaque
tembus kanggo opaque
Kapadhetan
2.4-2.8 g / cm 3
2.6-2.65 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan
tahan panas, impact tahan, meksa tahan