Properties of Alkali Feldspar Granit lan Tephrite
ukuran gandum
gedhe lan coarse grained
medium kanggo nggoleki coarse grained
rengat
ora kasedhiya
ora rata
porosity
kurang keropos
banget kurang keropos
luster
kurang kanggo grainy karo bagean kala-kala pearly lan vitreous
subvitreous kanggo kurang
cleavage
ora kasedhiya
crenulation lan mrembet
kateguhan
ora kasedhiya
2.4
tartamtu gravitasi
2.6-2.7
2.86
Kapadhetan
2.6-2.8 g / cm 3
2.8-2.9 g / cm 3
resistance
tahan panas, nyandhang tahan
tahan panas, impact tahan