Properties of Pegmatite lan Tephrite
ukuran gandum
medium kanggo coarse grained
medium kanggo nggoleki coarse grained
rengat
conchoidal
ora rata
porosity
kurang keropos
banget kurang keropos
luster
grainy, mutiyara lan vitreous
subvitreous kanggo kurang
cleavage
sampurna
crenulation lan mrembet
tartamtu gravitasi
2.6-2.63
2.86
transparan
tembus kanggo opaque
opaque
Kapadhetan
2.6-2.65 g / cm 3
2.8-2.9 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, impact tahan