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