Properties of Gritstone lan Ignimbrite
ukuran gandum
coarse grained
grained nggoleki
rengat
conchoidal
ora rata
porosity
Highly keropos
Highly keropos
luster
kurang
vitreous kanggo kurang
cleavage
sampurna
ora kasedhiya
kateguhan
ora kasedhiya
ora kasedhiya
tartamtu gravitasi
2.250
2.73
Kapadhetan
2.2 g / cm 3
1-1.8 g / cm 3
resistance
tahan panas, impact tahan, meksa tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan