Properties of Gritstone lan Pseudotachylite
ukuran gandum
coarse grained
banget nggoleki-grained
rengat
conchoidal
ora rata
tilas
putih
cahya kanggo coklat peteng
porosity
Highly keropos
kurang keropos
cleavage
sampurna
ora duwe aturan baku
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
2.250
2.46-2.86
transparan
opaque
transparent kanggo Translucent
Kapadhetan
2.2 g / cm 3
2.7-2.9 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
tahan panas