Properties of Felsite lan Krikel
ukuran gandum
grained nggoleki
banget nggoleki-grained
rengat
conchoidal
ora kasedhiya
porosity
banget kurang keropos
Highly keropos
kateguhan
ora kasedhiya
2.6
tartamtu gravitasi
2.6-2.7
2.2-2.8
Kapadhetan
2.6 g / cm 3
2.4-2.8 g / cm 3
resistance
tahan panas, impact tahan
tahan panas, impact tahan