Properties of Siltstone lan Dacite
ukuran gandum
grained nggoleki
medium kanggo nggoleki coarse grained
rengat
conchoidal
conchoidal
porosity
Highly keropos
kurang keropos
luster
kurang
subvitreous kanggo kurang
cleavage
ora kasedhiya
sampurna
kateguhan
2.6
ora kasedhiya
tartamtu gravitasi
2.54-2.73
2.86-2.87
Kapadhetan
2.6-2.7 g / cm 3
2.77-2.771 g / cm 3
kapasitas panas tartamtu
ora Sumadhiya
resistance
tahan panas, impact tahan, meksa tahan, banyu tahan
tahan panas, impact tahan, meksa tahan, nyandhang tahan