Properties of Granophyre lan Itacolumite
ukuran gandum
medium kanggo nggoleki coarse grained
coarse utawa nggoleki
rengat
ora kasedhiya
conchoidal
porosity
kurang keropos
Highly keropos
luster
kurang kanggo grainy karo bagean kala-kala pearly lan vitreous
kurang
cleavage
ora kasedhiya
sampurna
kateguhan
ora kasedhiya
2.6
tartamtu gravitasi
2.6-2.7
2.2-2.8
Kapadhetan
2.6-2.8 g / cm 3
2.2-2.8 g / cm 3
resistance
tahan panas, nyandhang tahan
tahan panas, impact tahan, meksa tahan